Home / 510,742.20-766,111.23-155,755.19

Finding the Fourth Proportional to 510,742.20, 766,111.23 and 155,755.19

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Solution

The fourth proportional to 510,742.20, 766,111.23 and 155,755.19 is: 233,632.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,742.20 : 766,111.23 = 155,755.19 : x
  2. Step 2: Convert to fraction form
    510,742.20/766,111.23 = 155,755.19/x
  3. Step 3: Cross multiply
    510,742.20x = 766,111.23 × 155,755.19
  4. Step 4: Simplify right side
    510,742.20x = 119,325,800,189.78
  5. Step 5: Solve for x
    x = 119,325,800,189.78/510,742.20
  6. Step 6: Final answer
    x = 233,632.15

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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.