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Finding the Fourth Proportional to 240,376.62, 360,572.31 and 82,602.84

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Solution

The fourth proportional to 240,376.62, 360,572.31 and 82,602.84 is: 123,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,376.62 : 360,572.31 = 82,602.84 : x
  2. Step 2: Convert to fraction form
    240,376.62/360,572.31 = 82,602.84/x
  3. Step 3: Cross multiply
    240,376.62x = 360,572.31 × 82,602.84
  4. Step 4: Simplify right side
    240,376.62x = 29,784,296,831.36
  5. Step 5: Solve for x
    x = 29,784,296,831.36/240,376.62
  6. Step 6: Final answer
    x = 123,906.80

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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.