Home / 345,944.22-518,979.05-156,493.82

Finding the Fourth Proportional to 345,944.22, 518,979.05 and 156,493.82

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Solution

The fourth proportional to 345,944.22, 518,979.05 and 156,493.82 is: 234,769.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,944.22 : 518,979.05 = 156,493.82 : x
  2. Step 2: Convert to fraction form
    345,944.22/518,979.05 = 156,493.82/x
  3. Step 3: Cross multiply
    345,944.22x = 518,979.05 × 156,493.82
  4. Step 4: Simplify right side
    345,944.22x = 81,217,015,136.30
  5. Step 5: Solve for x
    x = 81,217,015,136.30/345,944.22
  6. Step 6: Final answer
    x = 234,769.11

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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.