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Finding the Fourth Proportional to 144,833.60, 217,250.40 and 132,003.20

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Solution

The fourth proportional to 144,833.60, 217,250.40 and 132,003.20 is: 198,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,833.60 : 217,250.40 = 132,003.20 : x
  2. Step 2: Convert to fraction form
    144,833.60/217,250.40 = 132,003.20/x
  3. Step 3: Cross multiply
    144,833.60x = 217,250.40 × 132,003.20
  4. Step 4: Simplify right side
    144,833.60x = 28,677,748,001.28
  5. Step 5: Solve for x
    x = 28,677,748,001.28/144,833.60
  6. Step 6: Final answer
    x = 198,004.80

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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.