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Finding the Fourth Proportional to 299,488.40, 449,232.60 and 254,387.60

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Solution

The fourth proportional to 299,488.40, 449,232.60 and 254,387.60 is: 381,581.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,488.40 : 449,232.60 = 254,387.60 : x
  2. Step 2: Convert to fraction form
    299,488.40/449,232.60 = 254,387.60/x
  3. Step 3: Cross multiply
    299,488.40x = 449,232.60 × 254,387.60
  4. Step 4: Simplify right side
    299,488.40x = 114,279,202,955.76
  5. Step 5: Solve for x
    x = 114,279,202,955.76/299,488.40
  6. Step 6: Final answer
    x = 381,581.40

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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.