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Finding the Fourth Proportional to 270,000.20, 404,903.10 and 136,836.20

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Solution

The fourth proportional to 270,000.20, 404,903.10 and 136,836.20 is: 205,205.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,000.20 : 404,903.10 = 136,836.20 : x
  2. Step 2: Convert to fraction form
    270,000.20/404,903.10 = 136,836.20/x
  3. Step 3: Cross multiply
    270,000.20x = 404,903.10 × 136,836.20
  4. Step 4: Simplify right side
    270,000.20x = 55,405,401,572.22
  5. Step 5: Solve for x
    x = 55,405,401,572.22/270,000.20
  6. Step 6: Final answer
    x = 205,205.04

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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.