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Finding the Fourth Proportional to 180,840.40, 271,001.40 and 133,082.80

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Solution

The fourth proportional to 180,840.40, 271,001.40 and 133,082.80 is: 199,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,840.40 : 271,001.40 = 133,082.80 : x
  2. Step 2: Convert to fraction form
    180,840.40/271,001.40 = 133,082.80/x
  3. Step 3: Cross multiply
    180,840.40x = 271,001.40 × 133,082.80
  4. Step 4: Simplify right side
    180,840.40x = 36,065,625,115.92
  5. Step 5: Solve for x
    x = 36,065,625,115.92/180,840.40
  6. Step 6: Final answer
    x = 199,433.45

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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.