Home / 217,729.04-300,456.44-122,233.84

Finding the Fourth Proportional to 217,729.04, 300,456.44 and 122,233.84

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Solution

The fourth proportional to 217,729.04, 300,456.44 and 122,233.84 is: 168,677.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,729.04 : 300,456.44 = 122,233.84 : x
  2. Step 2: Convert to fraction form
    217,729.04/300,456.44 = 122,233.84/x
  3. Step 3: Cross multiply
    217,729.04x = 300,456.44 × 122,233.84
  4. Step 4: Simplify right side
    217,729.04x = 36,725,944,413.93
  5. Step 5: Solve for x
    x = 36,725,944,413.93/217,729.04
  6. Step 6: Final answer
    x = 168,677.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.