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Finding the Fourth Proportional to 431,819.62, 595,718.33 and 250,426.42

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Solution

The fourth proportional to 431,819.62, 595,718.33 and 250,426.42 is: 345,476.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,819.62 : 595,718.33 = 250,426.42 : x
  2. Step 2: Convert to fraction form
    431,819.62/595,718.33 = 250,426.42/x
  3. Step 3: Cross multiply
    431,819.62x = 595,718.33 × 250,426.42
  4. Step 4: Simplify right side
    431,819.62x = 149,183,610,947.17
  5. Step 5: Solve for x
    x = 149,183,610,947.17/431,819.62
  6. Step 6: Final answer
    x = 345,476.69

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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.