Home / 386,979.44-580,635.48-200,122.16

Finding the Fourth Proportional to 386,979.44, 580,635.48 and 200,122.16

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Solution

The fourth proportional to 386,979.44, 580,635.48 and 200,122.16 is: 300,269.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,979.44 : 580,635.48 = 200,122.16 : x
  2. Step 2: Convert to fraction form
    386,979.44/580,635.48 = 200,122.16/x
  3. Step 3: Cross multiply
    386,979.44x = 580,635.48 × 200,122.16
  4. Step 4: Simplify right side
    386,979.44x = 116,198,026,430.24
  5. Step 5: Solve for x
    x = 116,198,026,430.24/386,979.44
  6. Step 6: Final answer
    x = 300,269.25

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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.