Home / 289,974.27-400,290.03-271,816.68

Finding the Fourth Proportional to 289,974.27, 400,290.03 and 271,816.68

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Solution

The fourth proportional to 289,974.27, 400,290.03 and 271,816.68 is: 375,224.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,974.27 : 400,290.03 = 271,816.68 : x
  2. Step 2: Convert to fraction form
    289,974.27/400,290.03 = 271,816.68/x
  3. Step 3: Cross multiply
    289,974.27x = 400,290.03 × 271,816.68
  4. Step 4: Simplify right side
    289,974.27x = 108,805,506,991.70
  5. Step 5: Solve for x
    x = 108,805,506,991.70/289,974.27
  6. Step 6: Final answer
    x = 375,224.69

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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.