Home / 326,190.26-489,318.98-112,957.76

Finding the Fourth Proportional to 326,190.26, 489,318.98 and 112,957.76

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Solution

The fourth proportional to 326,190.26, 489,318.98 and 112,957.76 is: 169,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,190.26 : 489,318.98 = 112,957.76 : x
  2. Step 2: Convert to fraction form
    326,190.26/489,318.98 = 112,957.76/x
  3. Step 3: Cross multiply
    326,190.26x = 489,318.98 × 112,957.76
  4. Step 4: Simplify right side
    326,190.26x = 55,272,375,906.28
  5. Step 5: Solve for x
    x = 55,272,375,906.28/326,190.26
  6. Step 6: Final answer
    x = 169,448.27

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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.