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Finding the Fourth Proportional to 332,948.25, 499,422.38 and 99,476.25

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Solution

The fourth proportional to 332,948.25, 499,422.38 and 99,476.25 is: 149,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,948.25 : 499,422.38 = 99,476.25 : x
  2. Step 2: Convert to fraction form
    332,948.25/499,422.38 = 99,476.25/x
  3. Step 3: Cross multiply
    332,948.25x = 499,422.38 × 99,476.25
  4. Step 4: Simplify right side
    332,948.25x = 49,680,665,031.09
  5. Step 5: Solve for x
    x = 49,680,665,031.09/332,948.25
  6. Step 6: Final answer
    x = 149,214.38

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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.