Home / 521,025.48-781,508.22-201,114.76

Finding the Fourth Proportional to 521,025.48, 781,508.22 and 201,114.76

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Solution

The fourth proportional to 521,025.48, 781,508.22 and 201,114.76 is: 301,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,025.48 : 781,508.22 = 201,114.76 : x
  2. Step 2: Convert to fraction form
    521,025.48/781,508.22 = 201,114.76/x
  3. Step 3: Cross multiply
    521,025.48x = 781,508.22 × 201,114.76
  4. Step 4: Simplify right side
    521,025.48x = 157,172,838,103.33
  5. Step 5: Solve for x
    x = 157,172,838,103.33/521,025.48
  6. Step 6: Final answer
    x = 301,660.56

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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.