Home / 275,012.47-412,519.03-75,334.58

Finding the Fourth Proportional to 275,012.47, 412,519.03 and 75,334.58

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Solution

The fourth proportional to 275,012.47, 412,519.03 and 75,334.58 is: 113,001.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,012.47 : 412,519.03 = 75,334.58 : x
  2. Step 2: Convert to fraction form
    275,012.47/412,519.03 = 75,334.58/x
  3. Step 3: Cross multiply
    275,012.47x = 412,519.03 × 75,334.58
  4. Step 4: Simplify right side
    275,012.47x = 31,076,947,867.06
  5. Step 5: Solve for x
    x = 31,076,947,867.06/275,012.47
  6. Step 6: Final answer
    x = 113,001.96

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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.