Home / 386,747.36-580,148.96-161,881.52

Finding the Fourth Proportional to 386,747.36, 580,148.96 and 161,881.52

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Solution

The fourth proportional to 386,747.36, 580,148.96 and 161,881.52 is: 242,833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,747.36 : 580,148.96 = 161,881.52 : x
  2. Step 2: Convert to fraction form
    386,747.36/580,148.96 = 161,881.52/x
  3. Step 3: Cross multiply
    386,747.36x = 580,148.96 × 161,881.52
  4. Step 4: Simplify right side
    386,747.36x = 93,915,395,471.22
  5. Step 5: Solve for x
    x = 93,915,395,471.22/386,747.36
  6. Step 6: Final answer
    x = 242,833.97

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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.