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Finding the Fourth Proportional to 299,248.40, 449,117.40 and 296,915.60

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Solution

The fourth proportional to 299,248.40, 449,117.40 and 296,915.60 is: 445,616.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,248.40 : 449,117.40 = 296,915.60 : x
  2. Step 2: Convert to fraction form
    299,248.40/449,117.40 = 296,915.60/x
  3. Step 3: Cross multiply
    299,248.40x = 449,117.40 × 296,915.60
  4. Step 4: Simplify right side
    299,248.40x = 133,349,962,291.44
  5. Step 5: Solve for x
    x = 133,349,962,291.44/299,248.40
  6. Step 6: Final answer
    x = 445,616.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.