Home / 245,648.80-365,938-238,214.80

Finding the Fourth Proportional to 245,648.80, 365,938 and 238,214.80

Calculator

Solution

The fourth proportional to 245,648.80, 365,938 and 238,214.80 is: 354,863.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,648.80 : 365,938 = 238,214.80 : x
  2. Step 2: Convert to fraction form
    245,648.80/365,938 = 238,214.80/x
  3. Step 3: Cross multiply
    245,648.80x = 365,938 × 238,214.80
  4. Step 4: Simplify right side
    245,648.80x = 87,171,847,482.40
  5. Step 5: Solve for x
    x = 87,171,847,482.40/245,648.80
  6. Step 6: Final answer
    x = 354,863.72

Related Problems

Find fourth proportional to 122,824.40, 182,969 and 119,107.40
Half scale
Find fourth proportional to 491,297.60, 731,876 and 476,429.60
Double scale
Find fourth proportional to 245,649.80, 365,939.49 and 238,215.80
Similar ratio
Find fourth proportional to 368,473.20, 548,907 and 357,322.20
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.