Home / 384,614.06-576,921.52-100,304.36

Finding the Fourth Proportional to 384,614.06, 576,921.52 and 100,304.36

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Solution

The fourth proportional to 384,614.06, 576,921.52 and 100,304.36 is: 150,456.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,614.06 : 576,921.52 = 100,304.36 : x
  2. Step 2: Convert to fraction form
    384,614.06/576,921.52 = 100,304.36/x
  3. Step 3: Cross multiply
    384,614.06x = 576,921.52 × 100,304.36
  4. Step 4: Simplify right side
    384,614.06x = 57,867,743,833.83
  5. Step 5: Solve for x
    x = 57,867,743,833.83/384,614.06
  6. Step 6: Final answer
    x = 150,456.65

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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.