Home / 345,918.18-519,037.41-132,614.75

Finding the Fourth Proportional to 345,918.18, 519,037.41 and 132,614.75

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Solution

The fourth proportional to 345,918.18, 519,037.41 and 132,614.75 is: 198,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,918.18 : 519,037.41 = 132,614.75 : x
  2. Step 2: Convert to fraction form
    345,918.18/519,037.41 = 132,614.75/x
  3. Step 3: Cross multiply
    345,918.18x = 519,037.41 × 132,614.75
  4. Step 4: Simplify right side
    345,918.18x = 68,832,013,772.61
  5. Step 5: Solve for x
    x = 68,832,013,772.61/345,918.18
  6. Step 6: Final answer
    x = 198,983.51

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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.