Home / 378,422.48-567,635.96-112,185.24

Finding the Fourth Proportional to 378,422.48, 567,635.96 and 112,185.24

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Solution

The fourth proportional to 378,422.48, 567,635.96 and 112,185.24 is: 168,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,422.48 : 567,635.96 = 112,185.24 : x
  2. Step 2: Convert to fraction form
    378,422.48/567,635.96 = 112,185.24/x
  3. Step 3: Cross multiply
    378,422.48x = 567,635.96 × 112,185.24
  4. Step 4: Simplify right side
    378,422.48x = 63,680,376,405.23
  5. Step 5: Solve for x
    x = 63,680,376,405.23/378,422.48
  6. Step 6: Final answer
    x = 168,278.52

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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.