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Finding the Fourth Proportional to 299,245.20, 449,904.60 and 293,024.40

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Solution

The fourth proportional to 299,245.20, 449,904.60 and 293,024.40 is: 440,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,245.20 : 449,904.60 = 293,024.40 : x
  2. Step 2: Convert to fraction form
    299,245.20/449,904.60 = 293,024.40/x
  3. Step 3: Cross multiply
    299,245.20x = 449,904.60 × 293,024.40
  4. Step 4: Simplify right side
    299,245.20x = 131,833,025,472.24
  5. Step 5: Solve for x
    x = 131,833,025,472.24/299,245.20
  6. Step 6: Final answer
    x = 440,551.85

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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.