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Finding the Fourth Proportional to 299,932.20, 450,071.10 and 113,077.80

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Solution

The fourth proportional to 299,932.20, 450,071.10 and 113,077.80 is: 169,681.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,932.20 : 450,071.10 = 113,077.80 : x
  2. Step 2: Convert to fraction form
    299,932.20/450,071.10 = 113,077.80/x
  3. Step 3: Cross multiply
    299,932.20x = 450,071.10 × 113,077.80
  4. Step 4: Simplify right side
    299,932.20x = 50,893,049,831.58
  5. Step 5: Solve for x
    x = 50,893,049,831.58/299,932.20
  6. Step 6: Final answer
    x = 169,681.85

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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.