Home / 333,410-500,115-99,938

Finding the Fourth Proportional to 333,410, 500,115 and 99,938

Calculator

Solution

The fourth proportional to 333,410, 500,115 and 99,938 is: 149,907

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,410 : 500,115 = 99,938 : x
  2. Step 2: Convert to fraction form
    333,410/500,115 = 99,938/x
  3. Step 3: Cross multiply
    333,410x = 500,115 × 99,938
  4. Step 4: Simplify right side
    333,410x = 49,980,492,870
  5. Step 5: Solve for x
    x = 49,980,492,870/333,410
  6. Step 6: Final answer
    x = 149,907

Related Problems

Find fourth proportional to 166,705, 250,057.50 and 49,969
Half scale
Find fourth proportional to 666,820, 1,000,230 and 199,876
Double scale
Find fourth proportional to 333,411, 500,116.50 and 99,939
Similar ratio
Find fourth proportional to 500,115, 750,172.50 and 149,907
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.