Home / 395,177.46-592,792.57-138,979.29

Finding the Fourth Proportional to 395,177.46, 592,792.57 and 138,979.29

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Solution

The fourth proportional to 395,177.46, 592,792.57 and 138,979.29 is: 208,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,177.46 : 592,792.57 = 138,979.29 : x
  2. Step 2: Convert to fraction form
    395,177.46/592,792.57 = 138,979.29/x
  3. Step 3: Cross multiply
    395,177.46x = 592,792.57 × 138,979.29
  4. Step 4: Simplify right side
    395,177.46x = 82,385,890,495.88
  5. Step 5: Solve for x
    x = 82,385,890,495.88/395,177.46
  6. Step 6: Final answer
    x = 208,478.21

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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.