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Finding the Fourth Proportional to 272,550, 408,826.08 and 75,558

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Solution

The fourth proportional to 272,550, 408,826.08 and 75,558 is: 113,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,550 : 408,826.08 = 75,558 : x
  2. Step 2: Convert to fraction form
    272,550/408,826.08 = 75,558/x
  3. Step 3: Cross multiply
    272,550x = 408,826.08 × 75,558
  4. Step 4: Simplify right side
    272,550x = 30,890,080,952.64
  5. Step 5: Solve for x
    x = 30,890,080,952.64/272,550
  6. Step 6: Final answer
    x = 113,337.30

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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.