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Finding the Fourth Proportional to 508,182.03, 701,286.39 and 278,734.68

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Solution

The fourth proportional to 508,182.03, 701,286.39 and 278,734.68 is: 384,651.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,182.03 : 701,286.39 = 278,734.68 : x
  2. Step 2: Convert to fraction form
    508,182.03/701,286.39 = 278,734.68/x
  3. Step 3: Cross multiply
    508,182.03x = 701,286.39 × 278,734.68
  4. Step 4: Simplify right side
    508,182.03x = 195,472,837,505.01
  5. Step 5: Solve for x
    x = 195,472,837,505.01/508,182.03
  6. Step 6: Final answer
    x = 384,651.22

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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.