Home / 386,749.36-580,151.96-161,883.52

Finding the Fourth Proportional to 386,749.36, 580,151.96 and 161,883.52

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Solution

The fourth proportional to 386,749.36, 580,151.96 and 161,883.52 is: 242,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,749.36 : 580,151.96 = 161,883.52 : x
  2. Step 2: Convert to fraction form
    386,749.36/580,151.96 = 161,883.52/x
  3. Step 3: Cross multiply
    386,749.36x = 580,151.96 × 161,883.52
  4. Step 4: Simplify right side
    386,749.36x = 93,917,041,419.70
  5. Step 5: Solve for x
    x = 93,917,041,419.70/386,749.36
  6. Step 6: Final answer
    x = 242,836.97

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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.