Home / 387,585.48-534,819.87-224,270.04

Finding the Fourth Proportional to 387,585.48, 534,819.87 and 224,270.04

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Solution

The fourth proportional to 387,585.48, 534,819.87 and 224,270.04 is: 309,464.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,585.48 : 534,819.87 = 224,270.04 : x
  2. Step 2: Convert to fraction form
    387,585.48/534,819.87 = 224,270.04/x
  3. Step 3: Cross multiply
    387,585.48x = 534,819.87 × 224,270.04
  4. Step 4: Simplify right side
    387,585.48x = 119,944,073,637.70
  5. Step 5: Solve for x
    x = 119,944,073,637.70/387,585.48
  6. Step 6: Final answer
    x = 309,464.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.