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Finding the Fourth Proportional to 295,397.20, 443,144.40 and 126,998.20

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Solution

The fourth proportional to 295,397.20, 443,144.40 and 126,998.20 is: 190,518.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,397.20 : 443,144.40 = 126,998.20 : x
  2. Step 2: Convert to fraction form
    295,397.20/443,144.40 = 126,998.20/x
  3. Step 3: Cross multiply
    295,397.20x = 443,144.40 × 126,998.20
  4. Step 4: Simplify right side
    295,397.20x = 56,278,541,140.08
  5. Step 5: Solve for x
    x = 56,278,541,140.08/295,397.20
  6. Step 6: Final answer
    x = 190,518.19

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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.