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Finding the Fourth Proportional to 400,241.20, 600,502.44 and 250,311.28

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Solution

The fourth proportional to 400,241.20, 600,502.44 and 250,311.28 is: 375,554.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,241.20 : 600,502.44 = 250,311.28 : x
  2. Step 2: Convert to fraction form
    400,241.20/600,502.44 = 250,311.28/x
  3. Step 3: Cross multiply
    400,241.20x = 600,502.44 × 250,311.28
  4. Step 4: Simplify right side
    400,241.20x = 150,312,534,399.52
  5. Step 5: Solve for x
    x = 150,312,534,399.52/400,241.20
  6. Step 6: Final answer
    x = 375,554.88

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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.