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Finding the Fourth Proportional to 275,673.70, 413,510.55 and 88,704.10

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Solution

The fourth proportional to 275,673.70, 413,510.55 and 88,704.10 is: 133,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,673.70 : 413,510.55 = 88,704.10 : x
  2. Step 2: Convert to fraction form
    275,673.70/413,510.55 = 88,704.10/x
  3. Step 3: Cross multiply
    275,673.70x = 413,510.55 × 88,704.10
  4. Step 4: Simplify right side
    275,673.70x = 36,680,081,178.26
  5. Step 5: Solve for x
    x = 36,680,081,178.26/275,673.70
  6. Step 6: Final answer
    x = 133,056.15

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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.