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Finding the Fourth Proportional to 502,474.35, 753,549.55 and 165,434.76

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Solution

The fourth proportional to 502,474.35, 753,549.55 and 165,434.76 is: 248,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,474.35 : 753,549.55 = 165,434.76 : x
  2. Step 2: Convert to fraction form
    502,474.35/753,549.55 = 165,434.76/x
  3. Step 3: Cross multiply
    502,474.35x = 753,549.55 × 165,434.76
  4. Step 4: Simplify right side
    502,474.35x = 124,663,285,471.79
  5. Step 5: Solve for x
    x = 124,663,285,471.79/502,474.35
  6. Step 6: Final answer
    x = 248,098.80

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1.5x scale

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.