Home / 491,323.97-736,977.69-221,301.92

Finding the Fourth Proportional to 491,323.97, 736,977.69 and 221,301.92

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Solution

The fourth proportional to 491,323.97, 736,977.69 and 221,301.92 is: 331,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,323.97 : 736,977.69 = 221,301.92 : x
  2. Step 2: Convert to fraction form
    491,323.97/736,977.69 = 221,301.92/x
  3. Step 3: Cross multiply
    491,323.97x = 736,977.69 × 221,301.92
  4. Step 4: Simplify right side
    491,323.97x = 163,094,577,794.17
  5. Step 5: Solve for x
    x = 163,094,577,794.17/491,323.97
  6. Step 6: Final answer
    x = 331,949.16

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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.