Home / 378,016.31-567,034.19-108,184.25

Finding the Fourth Proportional to 378,016.31, 567,034.19 and 108,184.25

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Solution

The fourth proportional to 378,016.31, 567,034.19 and 108,184.25 is: 162,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,016.31 : 567,034.19 = 108,184.25 : x
  2. Step 2: Convert to fraction form
    378,016.31/567,034.19 = 108,184.25/x
  3. Step 3: Cross multiply
    378,016.31x = 567,034.19 × 108,184.25
  4. Step 4: Simplify right side
    378,016.31x = 61,344,168,569.51
  5. Step 5: Solve for x
    x = 61,344,168,569.51/378,016.31
  6. Step 6: Final answer
    x = 162,279.16

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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.