Home / 378,014.31-567,031.19-108,182.25

Finding the Fourth Proportional to 378,014.31, 567,031.19 and 108,182.25

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Solution

The fourth proportional to 378,014.31, 567,031.19 and 108,182.25 is: 162,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,014.31 : 567,031.19 = 108,182.25 : x
  2. Step 2: Convert to fraction form
    378,014.31/567,031.19 = 108,182.25/x
  3. Step 3: Cross multiply
    378,014.31x = 567,031.19 × 108,182.25
  4. Step 4: Simplify right side
    378,014.31x = 61,342,709,413.47
  5. Step 5: Solve for x
    x = 61,342,709,413.47/378,014.31
  6. Step 6: Final answer
    x = 162,276.16

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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.