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Finding the Fourth Proportional to 181,452.80, 271,660.80 and 162,790.40

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Solution

The fourth proportional to 181,452.80, 271,660.80 and 162,790.40 is: 243,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,452.80 : 271,660.80 = 162,790.40 : x
  2. Step 2: Convert to fraction form
    181,452.80/271,660.80 = 162,790.40/x
  3. Step 3: Cross multiply
    181,452.80x = 271,660.80 × 162,790.40
  4. Step 4: Simplify right side
    181,452.80x = 44,223,770,296.32
  5. Step 5: Solve for x
    x = 44,223,770,296.32/181,452.80
  6. Step 6: Final answer
    x = 243,720.52

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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.