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Finding the Fourth Proportional to 298,472.49, 447,757.34 and 88,131.69

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Solution

The fourth proportional to 298,472.49, 447,757.34 and 88,131.69 is: 132,211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,472.49 : 447,757.34 = 88,131.69 : x
  2. Step 2: Convert to fraction form
    298,472.49/447,757.34 = 88,131.69/x
  3. Step 3: Cross multiply
    298,472.49x = 447,757.34 × 88,131.69
  4. Step 4: Simplify right side
    298,472.49x = 39,461,610,643.45
  5. Step 5: Solve for x
    x = 39,461,610,643.45/298,472.49
  6. Step 6: Final answer
    x = 132,211.89

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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.