Home / 309,947.04-464,997.78-88,331.04

Finding the Fourth Proportional to 309,947.04, 464,997.78 and 88,331.04

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Solution

The fourth proportional to 309,947.04, 464,997.78 and 88,331.04 is: 132,518.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,947.04 : 464,997.78 = 88,331.04 : x
  2. Step 2: Convert to fraction form
    309,947.04/464,997.78 = 88,331.04/x
  3. Step 3: Cross multiply
    309,947.04x = 464,997.78 × 88,331.04
  4. Step 4: Simplify right side
    309,947.04x = 41,073,737,505.09
  5. Step 5: Solve for x
    x = 41,073,737,505.09/309,947.04
  6. Step 6: Final answer
    x = 132,518.57

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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.