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Finding the Fourth Proportional to 275,011.37, 412,517.39 and 75,333.48

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Solution

The fourth proportional to 275,011.37, 412,517.39 and 75,333.48 is: 113,000.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,011.37 : 412,517.39 = 75,333.48 : x
  2. Step 2: Convert to fraction form
    275,011.37/412,517.39 = 75,333.48/x
  3. Step 3: Cross multiply
    275,011.37x = 412,517.39 × 75,333.48
  4. Step 4: Simplify right side
    275,011.37x = 31,076,370,549.22
  5. Step 5: Solve for x
    x = 31,076,370,549.22/275,011.37
  6. Step 6: Final answer
    x = 113,000.31

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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.