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Finding the Fourth Proportional to 275,011.29, 412,517.30 and 75,333.44

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Solution

The fourth proportional to 275,011.29, 412,517.30 and 75,333.44 is: 113,000.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,011.29 : 412,517.30 = 75,333.44 : x
  2. Step 2: Convert to fraction form
    275,011.29/412,517.30 = 75,333.44/x
  3. Step 3: Cross multiply
    275,011.29x = 412,517.30 × 75,333.44
  4. Step 4: Simplify right side
    275,011.29x = 31,076,344,829.26
  5. Step 5: Solve for x
    x = 31,076,344,829.26/275,011.29
  6. Step 6: Final answer
    x = 113,000.25

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1.5x scale

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.