Home / 378,343.38-567,517.12-112,106.20

Finding the Fourth Proportional to 378,343.38, 567,517.12 and 112,106.20

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Solution

The fourth proportional to 378,343.38, 567,517.12 and 112,106.20 is: 168,159.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,343.38 : 567,517.12 = 112,106.20 : x
  2. Step 2: Convert to fraction form
    378,343.38/567,517.12 = 112,106.20/x
  3. Step 3: Cross multiply
    378,343.38x = 567,517.12 × 112,106.20
  4. Step 4: Simplify right side
    378,343.38x = 63,622,187,758.14
  5. Step 5: Solve for x
    x = 63,622,187,758.14/378,343.38
  6. Step 6: Final answer
    x = 168,159.91

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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.