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Finding the Fourth Proportional to 443,244.12, 664,866.18 and 110,820.12

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Solution

The fourth proportional to 443,244.12, 664,866.18 and 110,820.12 is: 166,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,244.12 : 664,866.18 = 110,820.12 : x
  2. Step 2: Convert to fraction form
    443,244.12/664,866.18 = 110,820.12/x
  3. Step 3: Cross multiply
    443,244.12x = 664,866.18 × 110,820.12
  4. Step 4: Simplify right side
    443,244.12x = 73,680,549,851.54
  5. Step 5: Solve for x
    x = 73,680,549,851.54/443,244.12
  6. Step 6: Final answer
    x = 166,230.18

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Similar ratio
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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.