Home / 378,012.68-566,822.14-178,279.43

Finding the Fourth Proportional to 378,012.68, 566,822.14 and 178,279.43

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Solution

The fourth proportional to 378,012.68, 566,822.14 and 178,279.43 is: 267,326.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,012.68 : 566,822.14 = 178,279.43 : x
  2. Step 2: Convert to fraction form
    378,012.68/566,822.14 = 178,279.43/x
  3. Step 3: Cross multiply
    378,012.68x = 566,822.14 × 178,279.43
  4. Step 4: Simplify right side
    378,012.68x = 101,052,727,139.18
  5. Step 5: Solve for x
    x = 101,052,727,139.18/378,012.68
  6. Step 6: Final answer
    x = 267,326.29

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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.