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Finding the Fourth Proportional to 299,054.88, 448,668.88 and 88,697.84

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Solution

The fourth proportional to 299,054.88, 448,668.88 and 88,697.84 is: 133,072.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,054.88 : 448,668.88 = 88,697.84 : x
  2. Step 2: Convert to fraction form
    299,054.88/448,668.88 = 88,697.84/x
  3. Step 3: Cross multiply
    299,054.88x = 448,668.88 × 88,697.84
  4. Step 4: Simplify right side
    299,054.88x = 39,795,960,531.22
  5. Step 5: Solve for x
    x = 39,795,960,531.22/299,054.88
  6. Step 6: Final answer
    x = 133,072.43

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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.