Home / 344,977.52-517,549.28-145,355

Finding the Fourth Proportional to 344,977.52, 517,549.28 and 145,355

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Solution

The fourth proportional to 344,977.52, 517,549.28 and 145,355 is: 218,067.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,977.52 : 517,549.28 = 145,355 : x
  2. Step 2: Convert to fraction form
    344,977.52/517,549.28 = 145,355/x
  3. Step 3: Cross multiply
    344,977.52x = 517,549.28 × 145,355
  4. Step 4: Simplify right side
    344,977.52x = 75,228,375,594.40
  5. Step 5: Solve for x
    x = 75,228,375,594.40/344,977.52
  6. Step 6: Final answer
    x = 218,067.47

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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.