Home / 313,319.79-469,997.96-88,661.43

Finding the Fourth Proportional to 313,319.79, 469,997.96 and 88,661.43

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Solution

The fourth proportional to 313,319.79, 469,997.96 and 88,661.43 is: 132,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,319.79 : 469,997.96 = 88,661.43 : x
  2. Step 2: Convert to fraction form
    313,319.79/469,997.96 = 88,661.43/x
  3. Step 3: Cross multiply
    313,319.79x = 469,997.96 × 88,661.43
  4. Step 4: Simplify right side
    313,319.79x = 41,670,690,787.38
  5. Step 5: Solve for x
    x = 41,670,690,787.38/313,319.79
  6. Step 6: Final answer
    x = 132,997.31

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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.