Home / 387,283.14-581,023.25-227,494.20

Finding the Fourth Proportional to 387,283.14, 581,023.25 and 227,494.20

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Solution

The fourth proportional to 387,283.14, 581,023.25 and 227,494.20 is: 341,299.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,283.14 : 581,023.25 = 227,494.20 : x
  2. Step 2: Convert to fraction form
    387,283.14/581,023.25 = 227,494.20/x
  3. Step 3: Cross multiply
    387,283.14x = 581,023.25 × 227,494.20
  4. Step 4: Simplify right side
    387,283.14x = 132,179,420,008.89
  5. Step 5: Solve for x
    x = 132,179,420,008.89/387,283.14
  6. Step 6: Final answer
    x = 341,299.18

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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.