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Finding the Fourth Proportional to 448,080.63, 672,120.95 and 132,512.96

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Solution

The fourth proportional to 448,080.63, 672,120.95 and 132,512.96 is: 198,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,080.63 : 672,120.95 = 132,512.96 : x
  2. Step 2: Convert to fraction form
    448,080.63/672,120.95 = 132,512.96/x
  3. Step 3: Cross multiply
    448,080.63x = 672,120.95 × 132,512.96
  4. Step 4: Simplify right side
    448,080.63x = 89,064,732,539.34
  5. Step 5: Solve for x
    x = 89,064,732,539.34/448,080.63
  6. Step 6: Final answer
    x = 198,769.43

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Similar ratio
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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.