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Finding the Fourth Proportional to 404,614.30, 606,921.45 and 254,367.40

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Solution

The fourth proportional to 404,614.30, 606,921.45 and 254,367.40 is: 381,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,614.30 : 606,921.45 = 254,367.40 : x
  2. Step 2: Convert to fraction form
    404,614.30/606,921.45 = 254,367.40/x
  3. Step 3: Cross multiply
    404,614.30x = 606,921.45 × 254,367.40
  4. Step 4: Simplify right side
    404,614.30x = 154,381,031,240.73
  5. Step 5: Solve for x
    x = 154,381,031,240.73/404,614.30
  6. Step 6: Final answer
    x = 381,551.10

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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.