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Finding the Fourth Proportional to 537,754.82, 806,626.74 and 138,394.04

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Solution

The fourth proportional to 537,754.82, 806,626.74 and 138,394.04 is: 207,589.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,754.82 : 806,626.74 = 138,394.04 : x
  2. Step 2: Convert to fraction form
    537,754.82/806,626.74 = 138,394.04/x
  3. Step 3: Cross multiply
    537,754.82x = 806,626.74 × 138,394.04
  4. Step 4: Simplify right side
    537,754.82x = 111,632,329,287.50
  5. Step 5: Solve for x
    x = 111,632,329,287.50/537,754.82
  6. Step 6: Final answer
    x = 207,589.64

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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.