Home / 252,515.85-378,864.89-156,341.15

Finding the Fourth Proportional to 252,515.85, 378,864.89 and 156,341.15

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Solution

The fourth proportional to 252,515.85, 378,864.89 and 156,341.15 is: 234,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,515.85 : 378,864.89 = 156,341.15 : x
  2. Step 2: Convert to fraction form
    252,515.85/378,864.89 = 156,341.15/x
  3. Step 3: Cross multiply
    252,515.85x = 378,864.89 × 156,341.15
  4. Step 4: Simplify right side
    252,515.85x = 59,232,169,921.19
  5. Step 5: Solve for x
    x = 59,232,169,921.19/252,515.85
  6. Step 6: Final answer
    x = 234,568.13

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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.