Home / 515,371.04-773,049.36-178,656.80

Finding the Fourth Proportional to 515,371.04, 773,049.36 and 178,656.80

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Solution

The fourth proportional to 515,371.04, 773,049.36 and 178,656.80 is: 267,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,371.04 : 773,049.36 = 178,656.80 : x
  2. Step 2: Convert to fraction form
    515,371.04/773,049.36 = 178,656.80/x
  3. Step 3: Cross multiply
    515,371.04x = 773,049.36 × 178,656.80
  4. Step 4: Simplify right side
    515,371.04x = 138,110,524,899.65
  5. Step 5: Solve for x
    x = 138,110,524,899.65/515,371.04
  6. Step 6: Final answer
    x = 267,982.70

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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.