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Finding the Fourth Proportional to 180,945.60, 271,418.40 and 154,118.40

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Solution

The fourth proportional to 180,945.60, 271,418.40 and 154,118.40 is: 231,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,945.60 : 271,418.40 = 154,118.40 : x
  2. Step 2: Convert to fraction form
    180,945.60/271,418.40 = 154,118.40/x
  3. Step 3: Cross multiply
    180,945.60x = 271,418.40 × 154,118.40
  4. Step 4: Simplify right side
    180,945.60x = 41,830,569,538.56
  5. Step 5: Solve for x
    x = 41,830,569,538.56/180,945.60
  6. Step 6: Final answer
    x = 231,177.60

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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.