Home / 386,974.44-580,627.98-200,117.16

Finding the Fourth Proportional to 386,974.44, 580,627.98 and 200,117.16

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Solution

The fourth proportional to 386,974.44, 580,627.98 and 200,117.16 is: 300,261.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,974.44 : 580,627.98 = 200,117.16 : x
  2. Step 2: Convert to fraction form
    386,974.44/580,627.98 = 200,117.16/x
  3. Step 3: Cross multiply
    386,974.44x = 580,627.98 × 200,117.16
  4. Step 4: Simplify right side
    386,974.44x = 116,193,622,374.14
  5. Step 5: Solve for x
    x = 116,193,622,374.14/386,974.44
  6. Step 6: Final answer
    x = 300,261.75

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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.