Home / 239,048.28-358,605.36-81,234.36

Finding the Fourth Proportional to 239,048.28, 358,605.36 and 81,234.36

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Solution

The fourth proportional to 239,048.28, 358,605.36 and 81,234.36 is: 121,862.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,048.28 : 358,605.36 = 81,234.36 : x
  2. Step 2: Convert to fraction form
    239,048.28/358,605.36 = 81,234.36/x
  3. Step 3: Cross multiply
    239,048.28x = 358,605.36 × 81,234.36
  4. Step 4: Simplify right side
    239,048.28x = 29,131,076,912.17
  5. Step 5: Solve for x
    x = 29,131,076,912.17/239,048.28
  6. Step 6: Final answer
    x = 121,862.73

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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.