Home / 275,299.17-412,947.93-75,619.74

Finding the Fourth Proportional to 275,299.17, 412,947.93 and 75,619.74

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Solution

The fourth proportional to 275,299.17, 412,947.93 and 75,619.74 is: 113,429.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,299.17 : 412,947.93 = 75,619.74 : x
  2. Step 2: Convert to fraction form
    275,299.17/412,947.93 = 75,619.74/x
  3. Step 3: Cross multiply
    275,299.17x = 412,947.93 × 75,619.74
  4. Step 4: Simplify right side
    275,299.17x = 31,227,016,932.27
  5. Step 5: Solve for x
    x = 31,227,016,932.27/275,299.17
  6. Step 6: Final answer
    x = 113,429.39

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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.