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Finding the Fourth Proportional to 275,970.42, 413,998.83 and 89,000.82

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Solution

The fourth proportional to 275,970.42, 413,998.83 and 89,000.82 is: 133,515.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,970.42 : 413,998.83 = 89,000.82 : x
  2. Step 2: Convert to fraction form
    275,970.42/413,998.83 = 89,000.82/x
  3. Step 3: Cross multiply
    275,970.42x = 413,998.83 × 89,000.82
  4. Step 4: Simplify right side
    275,970.42x = 36,846,235,349.04
  5. Step 5: Solve for x
    x = 36,846,235,349.04/275,970.42
  6. Step 6: Final answer
    x = 133,515.16

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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.