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Finding the Fourth Proportional to 299,320.47, 449,055.23 and 88,952.67

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Solution

The fourth proportional to 299,320.47, 449,055.23 and 88,952.67 is: 133,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,320.47 : 449,055.23 = 88,952.67 : x
  2. Step 2: Convert to fraction form
    299,320.47/449,055.23 = 88,952.67/x
  3. Step 3: Cross multiply
    299,320.47x = 449,055.23 × 88,952.67
  4. Step 4: Simplify right side
    299,320.47x = 39,944,661,241.20
  5. Step 5: Solve for x
    x = 39,944,661,241.20/299,320.47
  6. Step 6: Final answer
    x = 133,451.15

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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.