Home / 347,299.12-521,042.19-178,727.59

Finding the Fourth Proportional to 347,299.12, 521,042.19 and 178,727.59

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Solution

The fourth proportional to 347,299.12, 521,042.19 and 178,727.59 is: 268,139.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,299.12 : 521,042.19 = 178,727.59 : x
  2. Step 2: Convert to fraction form
    347,299.12/521,042.19 = 178,727.59/x
  3. Step 3: Cross multiply
    347,299.12x = 521,042.19 × 178,727.59
  4. Step 4: Simplify right side
    347,299.12x = 93,124,614,930.68
  5. Step 5: Solve for x
    x = 93,124,614,930.68/347,299.12
  6. Step 6: Final answer
    x = 268,139.51

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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.