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Finding the Fourth Proportional to 177,466.20, 266,199.30 and 114,480.60

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Solution

The fourth proportional to 177,466.20, 266,199.30 and 114,480.60 is: 171,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,466.20 : 266,199.30 = 114,480.60 : x
  2. Step 2: Convert to fraction form
    177,466.20/266,199.30 = 114,480.60/x
  3. Step 3: Cross multiply
    177,466.20x = 266,199.30 × 114,480.60
  4. Step 4: Simplify right side
    177,466.20x = 30,474,655,583.58
  5. Step 5: Solve for x
    x = 30,474,655,583.58/177,466.20
  6. Step 6: Final answer
    x = 171,720.90

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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.