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Finding the Fourth Proportional to 275,657.44, 413,223.72 and 88,537.76

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Solution

The fourth proportional to 275,657.44, 413,223.72 and 88,537.76 is: 132,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,657.44 : 413,223.72 = 88,537.76 : x
  2. Step 2: Convert to fraction form
    275,657.44/413,223.72 = 88,537.76/x
  3. Step 3: Cross multiply
    275,657.44x = 413,223.72 × 88,537.76
  4. Step 4: Simplify right side
    275,657.44x = 36,585,902,547.67
  5. Step 5: Solve for x
    x = 36,585,902,547.67/275,657.44
  6. Step 6: Final answer
    x = 132,722.35

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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.