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Finding the Fourth Proportional to 227,213.60, 340,820.40 and 144,474.40

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Solution

The fourth proportional to 227,213.60, 340,820.40 and 144,474.40 is: 216,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,213.60 : 340,820.40 = 144,474.40 : x
  2. Step 2: Convert to fraction form
    227,213.60/340,820.40 = 144,474.40/x
  3. Step 3: Cross multiply
    227,213.60x = 340,820.40 × 144,474.40
  4. Step 4: Simplify right side
    227,213.60x = 49,239,822,797.76
  5. Step 5: Solve for x
    x = 49,239,822,797.76/227,213.60
  6. Step 6: Final answer
    x = 216,711.60

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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.