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Finding the Fourth Proportional to 491,508.42, 737,258.37 and 136,521.87

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Solution

The fourth proportional to 491,508.42, 737,258.37 and 136,521.87 is: 204,781.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,508.42 : 737,258.37 = 136,521.87 : x
  2. Step 2: Convert to fraction form
    491,508.42/737,258.37 = 136,521.87/x
  3. Step 3: Cross multiply
    491,508.42x = 737,258.37 × 136,521.87
  4. Step 4: Simplify right side
    491,508.42x = 100,651,891,345.55
  5. Step 5: Solve for x
    x = 100,651,891,345.55/491,508.42
  6. Step 6: Final answer
    x = 204,781.62

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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.