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Finding the Fourth Proportional to 299,250.40, 448,940.40 and 88,909.60

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Solution

The fourth proportional to 299,250.40, 448,940.40 and 88,909.60 is: 133,383.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,250.40 : 448,940.40 = 88,909.60 : x
  2. Step 2: Convert to fraction form
    299,250.40/448,940.40 = 88,909.60/x
  3. Step 3: Cross multiply
    299,250.40x = 448,940.40 × 88,909.60
  4. Step 4: Simplify right side
    299,250.40x = 39,915,111,387.84
  5. Step 5: Solve for x
    x = 39,915,111,387.84/299,250.40
  6. Step 6: Final answer
    x = 133,383.65

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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.