Home / 297,314.18-446,039.40-128,862.80

Finding the Fourth Proportional to 297,314.18, 446,039.40 and 128,862.80

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Solution

The fourth proportional to 297,314.18, 446,039.40 and 128,862.80 is: 193,323.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,314.18 : 446,039.40 = 128,862.80 : x
  2. Step 2: Convert to fraction form
    297,314.18/446,039.40 = 128,862.80/x
  3. Step 3: Cross multiply
    297,314.18x = 446,039.40 × 128,862.80
  4. Step 4: Simplify right side
    297,314.18x = 57,477,885,994.32
  5. Step 5: Solve for x
    x = 57,477,885,994.32/297,314.18
  6. Step 6: Final answer
    x = 193,323.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.