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Finding the Fourth Proportional to 491,119.92, 736,800.12 and 171,227.43

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Solution

The fourth proportional to 491,119.92, 736,800.12 and 171,227.43 is: 256,883.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,119.92 : 736,800.12 = 171,227.43 : x
  2. Step 2: Convert to fraction form
    491,119.92/736,800.12 = 171,227.43/x
  3. Step 3: Cross multiply
    491,119.92x = 736,800.12 × 171,227.43
  4. Step 4: Simplify right side
    491,119.92x = 126,160,390,971.29
  5. Step 5: Solve for x
    x = 126,160,390,971.29/491,119.92
  6. Step 6: Final answer
    x = 256,883.07

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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.