Home / 385,062.08-577,691.52-148,341.28

Finding the Fourth Proportional to 385,062.08, 577,691.52 and 148,341.28

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Solution

The fourth proportional to 385,062.08, 577,691.52 and 148,341.28 is: 222,549.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,062.08 : 577,691.52 = 148,341.28 : x
  2. Step 2: Convert to fraction form
    385,062.08/577,691.52 = 148,341.28/x
  3. Step 3: Cross multiply
    385,062.08x = 577,691.52 × 148,341.28
  4. Step 4: Simplify right side
    385,062.08x = 85,695,499,521.95
  5. Step 5: Solve for x
    x = 85,695,499,521.95/385,062.08
  6. Step 6: Final answer
    x = 222,549.83

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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.