Home / 578,260.28-867,223.92-199,165.70

Finding the Fourth Proportional to 578,260.28, 867,223.92 and 199,165.70

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Solution

The fourth proportional to 578,260.28, 867,223.92 and 199,165.70 is: 298,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,260.28 : 867,223.92 = 199,165.70 : x
  2. Step 2: Convert to fraction form
    578,260.28/867,223.92 = 199,165.70/x
  3. Step 3: Cross multiply
    578,260.28x = 867,223.92 × 199,165.70
  4. Step 4: Simplify right side
    578,260.28x = 172,721,259,083.54
  5. Step 5: Solve for x
    x = 172,721,259,083.54/578,260.28
  6. Step 6: Final answer
    x = 298,691.20

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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.