Home / 485,061.56-727,587.22-189,571

Finding the Fourth Proportional to 485,061.56, 727,587.22 and 189,571

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Solution

The fourth proportional to 485,061.56, 727,587.22 and 189,571 is: 284,354.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,061.56 : 727,587.22 = 189,571 : x
  2. Step 2: Convert to fraction form
    485,061.56/727,587.22 = 189,571/x
  3. Step 3: Cross multiply
    485,061.56x = 727,587.22 × 189,571
  4. Step 4: Simplify right side
    485,061.56x = 137,929,436,882.62
  5. Step 5: Solve for x
    x = 137,929,436,882.62/485,061.56
  6. Step 6: Final answer
    x = 284,354.50

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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.