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Finding the Fourth Proportional to 363,744.48, 501,793.53 and 282,616.80

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Solution

The fourth proportional to 363,744.48, 501,793.53 and 282,616.80 is: 389,876.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,744.48 : 501,793.53 = 282,616.80 : x
  2. Step 2: Convert to fraction form
    363,744.48/501,793.53 = 282,616.80/x
  3. Step 3: Cross multiply
    363,744.48x = 501,793.53 × 282,616.80
  4. Step 4: Simplify right side
    363,744.48x = 141,815,281,709.30
  5. Step 5: Solve for x
    x = 141,815,281,709.30/363,744.48
  6. Step 6: Final answer
    x = 389,876.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.