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Finding the Fourth Proportional to 216,044.40, 324,023.40 and 103,724.40

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Solution

The fourth proportional to 216,044.40, 324,023.40 and 103,724.40 is: 155,565.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,044.40 : 324,023.40 = 103,724.40 : x
  2. Step 2: Convert to fraction form
    216,044.40/324,023.40 = 103,724.40/x
  3. Step 3: Cross multiply
    216,044.40x = 324,023.40 × 103,724.40
  4. Step 4: Simplify right side
    216,044.40x = 33,609,132,750.96
  5. Step 5: Solve for x
    x = 33,609,132,750.96/216,044.40
  6. Step 6: Final answer
    x = 155,565.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.