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Finding the Fourth Proportional to 605,405.20, 908,107.80 and 250,301.20

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Solution

The fourth proportional to 605,405.20, 908,107.80 and 250,301.20 is: 375,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,405.20 : 908,107.80 = 250,301.20 : x
  2. Step 2: Convert to fraction form
    605,405.20/908,107.80 = 250,301.20/x
  3. Step 3: Cross multiply
    605,405.20x = 908,107.80 × 250,301.20
  4. Step 4: Simplify right side
    605,405.20x = 227,300,472,069.36
  5. Step 5: Solve for x
    x = 227,300,472,069.36/605,405.20
  6. Step 6: Final answer
    x = 375,451.80

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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.