Home / 378,487.15-567,634.03-112,185.37

Finding the Fourth Proportional to 378,487.15, 567,634.03 and 112,185.37

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Solution

The fourth proportional to 378,487.15, 567,634.03 and 112,185.37 is: 168,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,487.15 : 567,634.03 = 112,185.37 : x
  2. Step 2: Convert to fraction form
    378,487.15/567,634.03 = 112,185.37/x
  3. Step 3: Cross multiply
    378,487.15x = 567,634.03 × 112,185.37
  4. Step 4: Simplify right side
    378,487.15x = 63,680,234,109.22
  5. Step 5: Solve for x
    x = 63,680,234,109.22/378,487.15
  6. Step 6: Final answer
    x = 168,249.40

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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.