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Finding the Fourth Proportional to 177,392.60, 266,121.30 and 72,222.20

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Solution

The fourth proportional to 177,392.60, 266,121.30 and 72,222.20 is: 108,346.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,392.60 : 266,121.30 = 72,222.20 : x
  2. Step 2: Convert to fraction form
    177,392.60/266,121.30 = 72,222.20/x
  3. Step 3: Cross multiply
    177,392.60x = 266,121.30 × 72,222.20
  4. Step 4: Simplify right side
    177,392.60x = 19,219,865,752.86
  5. Step 5: Solve for x
    x = 19,219,865,752.86/177,392.60
  6. Step 6: Final answer
    x = 108,346.49

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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.