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Finding the Fourth Proportional to 169,654.40, 254,481.60 and 161,878.40

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Solution

The fourth proportional to 169,654.40, 254,481.60 and 161,878.40 is: 242,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,654.40 : 254,481.60 = 161,878.40 : x
  2. Step 2: Convert to fraction form
    169,654.40/254,481.60 = 161,878.40/x
  3. Step 3: Cross multiply
    169,654.40x = 254,481.60 × 161,878.40
  4. Step 4: Simplify right side
    169,654.40x = 41,195,074,237.44
  5. Step 5: Solve for x
    x = 41,195,074,237.44/169,654.40
  6. Step 6: Final answer
    x = 242,817.60

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1.5x scale

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.