Home / 491,322.97-736,976.19-221,300.92

Finding the Fourth Proportional to 491,322.97, 736,976.19 and 221,300.92

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Solution

The fourth proportional to 491,322.97, 736,976.19 and 221,300.92 is: 331,947.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,322.97 : 736,976.19 = 221,300.92 : x
  2. Step 2: Convert to fraction form
    491,322.97/736,976.19 = 221,300.92/x
  3. Step 3: Cross multiply
    491,322.97x = 736,976.19 × 221,300.92
  4. Step 4: Simplify right side
    491,322.97x = 163,093,508,865.10
  5. Step 5: Solve for x
    x = 163,093,508,865.10/491,322.97
  6. Step 6: Final answer
    x = 331,947.66

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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.