Home / 521,876.98-782,766.06-166,795.66

Finding the Fourth Proportional to 521,876.98, 782,766.06 and 166,795.66

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Solution

The fourth proportional to 521,876.98, 782,766.06 and 166,795.66 is: 250,177.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,876.98 : 782,766.06 = 166,795.66 : x
  2. Step 2: Convert to fraction form
    521,876.98/782,766.06 = 166,795.66/x
  3. Step 3: Cross multiply
    521,876.98x = 782,766.06 × 166,795.66
  4. Step 4: Simplify right side
    521,876.98x = 130,561,981,603.30
  5. Step 5: Solve for x
    x = 130,561,981,603.30/521,876.98
  6. Step 6: Final answer
    x = 250,177.70

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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.