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Finding the Fourth Proportional to 239,371.23, 359,069.15 and 61,879.78

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Solution

The fourth proportional to 239,371.23, 359,069.15 and 61,879.78 is: 92,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,371.23 : 359,069.15 = 61,879.78 : x
  2. Step 2: Convert to fraction form
    239,371.23/359,069.15 = 61,879.78/x
  3. Step 3: Cross multiply
    239,371.23x = 359,069.15 × 61,879.78
  4. Step 4: Simplify right side
    239,371.23x = 22,219,120,610.32
  5. Step 5: Solve for x
    x = 22,219,120,610.32/239,371.23
  6. Step 6: Final answer
    x = 92,822.85

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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.