Home / 269,534.20-404,301.30-80,001.40

Finding the Fourth Proportional to 269,534.20, 404,301.30 and 80,001.40

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Solution

The fourth proportional to 269,534.20, 404,301.30 and 80,001.40 is: 120,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,534.20 : 404,301.30 = 80,001.40 : x
  2. Step 2: Convert to fraction form
    269,534.20/404,301.30 = 80,001.40/x
  3. Step 3: Cross multiply
    269,534.20x = 404,301.30 × 80,001.40
  4. Step 4: Simplify right side
    269,534.20x = 32,344,670,021.82
  5. Step 5: Solve for x
    x = 32,344,670,021.82/269,534.20
  6. Step 6: Final answer
    x = 120,002.10

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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.