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Finding the Fourth Proportional to 275,011.47, 412,517.53 and 75,333.58

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Solution

The fourth proportional to 275,011.47, 412,517.53 and 75,333.58 is: 113,000.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,011.47 : 412,517.53 = 75,333.58 : x
  2. Step 2: Convert to fraction form
    275,011.47/412,517.53 = 75,333.58/x
  3. Step 3: Cross multiply
    275,011.47x = 412,517.53 × 75,333.58
  4. Step 4: Simplify right side
    275,011.47x = 31,076,422,347.66
  5. Step 5: Solve for x
    x = 31,076,422,347.66/275,011.47
  6. Step 6: Final answer
    x = 113,000.46

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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.