Home / 252,233.26-378,371.70-72,319.48

Finding the Fourth Proportional to 252,233.26, 378,371.70 and 72,319.48

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Solution

The fourth proportional to 252,233.26, 378,371.70 and 72,319.48 is: 108,485.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,233.26 : 378,371.70 = 72,319.48 : x
  2. Step 2: Convert to fraction form
    252,233.26/378,371.70 = 72,319.48/x
  3. Step 3: Cross multiply
    252,233.26x = 378,371.70 × 72,319.48
  4. Step 4: Simplify right side
    252,233.26x = 27,363,644,590.72
  5. Step 5: Solve for x
    x = 27,363,644,590.72/252,233.26
  6. Step 6: Final answer
    x = 108,485.47

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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.