Home / 481,427.70-721,947.15-165,722.10

Finding the Fourth Proportional to 481,427.70, 721,947.15 and 165,722.10

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Solution

The fourth proportional to 481,427.70, 721,947.15 and 165,722.10 is: 248,516.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,427.70 : 721,947.15 = 165,722.10 : x
  2. Step 2: Convert to fraction form
    481,427.70/721,947.15 = 165,722.10/x
  3. Step 3: Cross multiply
    481,427.70x = 721,947.15 × 165,722.10
  4. Step 4: Simplify right side
    481,427.70x = 119,642,597,787.02
  5. Step 5: Solve for x
    x = 119,642,597,787.02/481,427.70
  6. Step 6: Final answer
    x = 248,516.23

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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.