Home / 252,581.97-378,671.76-145,844.91

Finding the Fourth Proportional to 252,581.97, 378,671.76 and 145,844.91

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Solution

The fourth proportional to 252,581.97, 378,671.76 and 145,844.91 is: 218,651.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,581.97 : 378,671.76 = 145,844.91 : x
  2. Step 2: Convert to fraction form
    252,581.97/378,671.76 = 145,844.91/x
  3. Step 3: Cross multiply
    252,581.97x = 378,671.76 × 145,844.91
  4. Step 4: Simplify right side
    252,581.97x = 55,227,348,756.74
  5. Step 5: Solve for x
    x = 55,227,348,756.74/252,581.97
  6. Step 6: Final answer
    x = 218,651.19

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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.