Home / 352,321.92-528,569.28-165,115.20

Finding the Fourth Proportional to 352,321.92, 528,569.28 and 165,115.20

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Solution

The fourth proportional to 352,321.92, 528,569.28 and 165,115.20 is: 247,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,321.92 : 528,569.28 = 165,115.20 : x
  2. Step 2: Convert to fraction form
    352,321.92/528,569.28 = 165,115.20/x
  3. Step 3: Cross multiply
    352,321.92x = 528,569.28 × 165,115.20
  4. Step 4: Simplify right side
    352,321.92x = 87,274,822,381.06
  5. Step 5: Solve for x
    x = 87,274,822,381.06/352,321.92
  6. Step 6: Final answer
    x = 247,713.29

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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.