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Finding the Fourth Proportional to 203,175.60, 304,763.40 and 132,316.80

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Solution

The fourth proportional to 203,175.60, 304,763.40 and 132,316.80 is: 198,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,175.60 : 304,763.40 = 132,316.80 : x
  2. Step 2: Convert to fraction form
    203,175.60/304,763.40 = 132,316.80/x
  3. Step 3: Cross multiply
    203,175.60x = 304,763.40 × 132,316.80
  4. Step 4: Simplify right side
    203,175.60x = 40,325,317,845.12
  5. Step 5: Solve for x
    x = 40,325,317,845.12/203,175.60
  6. Step 6: Final answer
    x = 198,475.20

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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.