Home / 395,031.50-592,552.28-138,853.73

Finding the Fourth Proportional to 395,031.50, 592,552.28 and 138,853.73

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Solution

The fourth proportional to 395,031.50, 592,552.28 and 138,853.73 is: 208,282.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,031.50 : 592,552.28 = 138,853.73 : x
  2. Step 2: Convert to fraction form
    395,031.50/592,552.28 = 138,853.73/x
  3. Step 3: Cross multiply
    395,031.50x = 592,552.28 × 138,853.73
  4. Step 4: Simplify right side
    395,031.50x = 82,278,090,640.97
  5. Step 5: Solve for x
    x = 82,278,090,640.97/395,031.50
  6. Step 6: Final answer
    x = 208,282.36

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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.