Home / 272,067.28-408,093.93-72,389.35

Finding the Fourth Proportional to 272,067.28, 408,093.93 and 72,389.35

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Solution

The fourth proportional to 272,067.28, 408,093.93 and 72,389.35 is: 108,582.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,067.28 : 408,093.93 = 72,389.35 : x
  2. Step 2: Convert to fraction form
    272,067.28/408,093.93 = 72,389.35/x
  3. Step 3: Cross multiply
    272,067.28x = 408,093.93 × 72,389.35
  4. Step 4: Simplify right side
    272,067.28x = 29,541,654,331.65
  5. Step 5: Solve for x
    x = 29,541,654,331.65/272,067.28
  6. Step 6: Final answer
    x = 108,582.17

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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.