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Finding the Fourth Proportional to 345,012, 517,518 and 95,694

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Solution

The fourth proportional to 345,012, 517,518 and 95,694 is: 143,541

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,012 : 517,518 = 95,694 : x
  2. Step 2: Convert to fraction form
    345,012/517,518 = 95,694/x
  3. Step 3: Cross multiply
    345,012x = 517,518 × 95,694
  4. Step 4: Simplify right side
    345,012x = 49,523,367,492
  5. Step 5: Solve for x
    x = 49,523,367,492/345,012
  6. Step 6: Final answer
    x = 143,541

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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.