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Finding the Fourth Proportional to 298,771.52, 448,244.75 and 88,414.92

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Solution

The fourth proportional to 298,771.52, 448,244.75 and 88,414.92 is: 132,648.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,771.52 : 448,244.75 = 88,414.92 : x
  2. Step 2: Convert to fraction form
    298,771.52/448,244.75 = 88,414.92/x
  3. Step 3: Cross multiply
    298,771.52x = 448,244.75 × 88,414.92
  4. Step 4: Simplify right side
    298,771.52x = 39,631,523,932.71
  5. Step 5: Solve for x
    x = 39,631,523,932.71/298,771.52
  6. Step 6: Final answer
    x = 132,648.27

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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.