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Finding the Fourth Proportional to 177,487.60, 266,231.40 and 72,252.40

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Solution

The fourth proportional to 177,487.60, 266,231.40 and 72,252.40 is: 108,378.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,487.60 : 266,231.40 = 72,252.40 : x
  2. Step 2: Convert to fraction form
    177,487.60/266,231.40 = 72,252.40/x
  3. Step 3: Cross multiply
    177,487.60x = 266,231.40 × 72,252.40
  4. Step 4: Simplify right side
    177,487.60x = 19,235,857,605.36
  5. Step 5: Solve for x
    x = 19,235,857,605.36/177,487.60
  6. Step 6: Final answer
    x = 108,378.60

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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.