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Finding the Fourth Proportional to 281,951.96, 422,788 and 89,801.32

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Solution

The fourth proportional to 281,951.96, 422,788 and 89,801.32 is: 134,657.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,951.96 : 422,788 = 89,801.32 : x
  2. Step 2: Convert to fraction form
    281,951.96/422,788 = 89,801.32/x
  3. Step 3: Cross multiply
    281,951.96x = 422,788 × 89,801.32
  4. Step 4: Simplify right side
    281,951.96x = 37,966,920,480.16
  5. Step 5: Solve for x
    x = 37,966,920,480.16/281,951.96
  6. Step 6: Final answer
    x = 134,657.41

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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.