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Finding the Fourth Proportional to 299,302.60, 449,472.30 and 159,334.60

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Solution

The fourth proportional to 299,302.60, 449,472.30 and 159,334.60 is: 239,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,302.60 : 449,472.30 = 159,334.60 : x
  2. Step 2: Convert to fraction form
    299,302.60/449,472.30 = 159,334.60/x
  3. Step 3: Cross multiply
    299,302.60x = 449,472.30 × 159,334.60
  4. Step 4: Simplify right side
    299,302.60x = 71,616,489,131.58
  5. Step 5: Solve for x
    x = 71,616,489,131.58/299,302.60
  6. Step 6: Final answer
    x = 239,277.87

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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.