Home / 539,742.90-809,711.55-224,231.70

Finding the Fourth Proportional to 539,742.90, 809,711.55 and 224,231.70

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Solution

The fourth proportional to 539,742.90, 809,711.55 and 224,231.70 is: 336,387.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,742.90 : 809,711.55 = 224,231.70 : x
  2. Step 2: Convert to fraction form
    539,742.90/809,711.55 = 224,231.70/x
  3. Step 3: Cross multiply
    539,742.90x = 809,711.55 × 224,231.70
  4. Step 4: Simplify right side
    539,742.90x = 181,562,997,366.14
  5. Step 5: Solve for x
    x = 181,562,997,366.14/539,742.90
  6. Step 6: Final answer
    x = 336,387.93

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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.