Home / 378,012.30-566,821.57-178,279.06

Finding the Fourth Proportional to 378,012.30, 566,821.57 and 178,279.06

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Solution

The fourth proportional to 378,012.30, 566,821.57 and 178,279.06 is: 267,325.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,012.30 : 566,821.57 = 178,279.06 : x
  2. Step 2: Convert to fraction form
    378,012.30/566,821.57 = 178,279.06/x
  3. Step 3: Cross multiply
    378,012.30x = 566,821.57 × 178,279.06
  4. Step 4: Simplify right side
    378,012.30x = 101,052,415,715.97
  5. Step 5: Solve for x
    x = 101,052,415,715.97/378,012.30
  6. Step 6: Final answer
    x = 267,325.73

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1.5x scale

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.