Home / 274,591.20-411,947.04-82,457.16

Finding the Fourth Proportional to 274,591.20, 411,947.04 and 82,457.16

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Solution

The fourth proportional to 274,591.20, 411,947.04 and 82,457.16 is: 123,703.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,591.20 : 411,947.04 = 82,457.16 : x
  2. Step 2: Convert to fraction form
    274,591.20/411,947.04 = 82,457.16/x
  3. Step 3: Cross multiply
    274,591.20x = 411,947.04 × 82,457.16
  4. Step 4: Simplify right side
    274,591.20x = 33,967,982,988.81
  5. Step 5: Solve for x
    x = 33,967,982,988.81/274,591.20
  6. Step 6: Final answer
    x = 123,703.83

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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.