Home / 345,915.20-517,934.82-179,353.28

Finding the Fourth Proportional to 345,915.20, 517,934.82 and 179,353.28

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Solution

The fourth proportional to 345,915.20, 517,934.82 and 179,353.28 is: 268,543.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,915.20 : 517,934.82 = 179,353.28 : x
  2. Step 2: Convert to fraction form
    345,915.20/517,934.82 = 179,353.28/x
  3. Step 3: Cross multiply
    345,915.20x = 517,934.82 × 179,353.28
  4. Step 4: Simplify right side
    345,915.20x = 92,893,308,793.21
  5. Step 5: Solve for x
    x = 92,893,308,793.21/345,915.20
  6. Step 6: Final answer
    x = 268,543.59

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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.