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Finding the Fourth Proportional to 275,999.34, 413,999.01 and 89,010.84

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Solution

The fourth proportional to 275,999.34, 413,999.01 and 89,010.84 is: 133,516.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,999.34 : 413,999.01 = 89,010.84 : x
  2. Step 2: Convert to fraction form
    275,999.34/413,999.01 = 89,010.84/x
  3. Step 3: Cross multiply
    275,999.34x = 413,999.01 × 89,010.84
  4. Step 4: Simplify right side
    275,999.34x = 36,850,399,639.27
  5. Step 5: Solve for x
    x = 36,850,399,639.27/275,999.34
  6. Step 6: Final answer
    x = 133,516.26

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1.5x scale

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.