Home / 328,305.26-492,351.28-125,890.73

Finding the Fourth Proportional to 328,305.26, 492,351.28 and 125,890.73

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Solution

The fourth proportional to 328,305.26, 492,351.28 and 125,890.73 is: 188,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,305.26 : 492,351.28 = 125,890.73 : x
  2. Step 2: Convert to fraction form
    328,305.26/492,351.28 = 125,890.73/x
  3. Step 3: Cross multiply
    328,305.26x = 492,351.28 × 125,890.73
  4. Step 4: Simplify right side
    328,305.26x = 61,982,459,660.10
  5. Step 5: Solve for x
    x = 61,982,459,660.10/328,305.26
  6. Step 6: Final answer
    x = 188,795.21

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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.