Home / 395,175.46-592,789.57-138,977.29

Finding the Fourth Proportional to 395,175.46, 592,789.57 and 138,977.29

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Solution

The fourth proportional to 395,175.46, 592,789.57 and 138,977.29 is: 208,475.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,175.46 : 592,789.57 = 138,977.29 : x
  2. Step 2: Convert to fraction form
    395,175.46/592,789.57 = 138,977.29/x
  3. Step 3: Cross multiply
    395,175.46x = 592,789.57 × 138,977.29
  4. Step 4: Simplify right side
    395,175.46x = 82,384,287,978.87
  5. Step 5: Solve for x
    x = 82,384,287,978.87/395,175.46
  6. Step 6: Final answer
    x = 208,475.21

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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.