Home / 220,177.18-304,399.80-162,725.90

Finding the Fourth Proportional to 220,177.18, 304,399.80 and 162,725.90

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Solution

The fourth proportional to 220,177.18, 304,399.80 and 162,725.90 is: 224,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,177.18 : 304,399.80 = 162,725.90 : x
  2. Step 2: Convert to fraction form
    220,177.18/304,399.80 = 162,725.90/x
  3. Step 3: Cross multiply
    220,177.18x = 304,399.80 × 162,725.90
  4. Step 4: Simplify right side
    220,177.18x = 49,533,731,414.82
  5. Step 5: Solve for x
    x = 49,533,731,414.82/220,177.18
  6. Step 6: Final answer
    x = 224,972.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.