Home / 286,997.46-396,046.56-157,923.87

Finding the Fourth Proportional to 286,997.46, 396,046.56 and 157,923.87

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Solution

The fourth proportional to 286,997.46, 396,046.56 and 157,923.87 is: 217,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,997.46 : 396,046.56 = 157,923.87 : x
  2. Step 2: Convert to fraction form
    286,997.46/396,046.56 = 157,923.87/x
  3. Step 3: Cross multiply
    286,997.46x = 396,046.56 × 157,923.87
  4. Step 4: Simplify right side
    286,997.46x = 62,545,202,685.54
  5. Step 5: Solve for x
    x = 62,545,202,685.54/286,997.46
  6. Step 6: Final answer
    x = 217,929.46

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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.