Home / 205,747.20-308,554.24-65,472.96

Finding the Fourth Proportional to 205,747.20, 308,554.24 and 65,472.96

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Solution

The fourth proportional to 205,747.20, 308,554.24 and 65,472.96 is: 98,188.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,747.20 : 308,554.24 = 65,472.96 : x
  2. Step 2: Convert to fraction form
    205,747.20/308,554.24 = 65,472.96/x
  3. Step 3: Cross multiply
    205,747.20x = 308,554.24 × 65,472.96
  4. Step 4: Simplify right side
    205,747.20x = 20,201,959,413.35
  5. Step 5: Solve for x
    x = 20,201,959,413.35/205,747.20
  6. Step 6: Final answer
    x = 98,188.26

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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.