Home / 636,921.52-955,390.48-187,540.20

Finding the Fourth Proportional to 636,921.52, 955,390.48 and 187,540.20

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Solution

The fourth proportional to 636,921.52, 955,390.48 and 187,540.20 is: 281,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,921.52 : 955,390.48 = 187,540.20 : x
  2. Step 2: Convert to fraction form
    636,921.52/955,390.48 = 187,540.20/x
  3. Step 3: Cross multiply
    636,921.52x = 955,390.48 × 187,540.20
  4. Step 4: Simplify right side
    636,921.52x = 179,174,121,228.45
  5. Step 5: Solve for x
    x = 179,174,121,228.45/636,921.52
  6. Step 6: Final answer
    x = 281,312.71

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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.