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Finding the Fourth Proportional to 230,012, 345,018 and 63,800

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Solution

The fourth proportional to 230,012, 345,018 and 63,800 is: 95,700

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,012 : 345,018 = 63,800 : x
  2. Step 2: Convert to fraction form
    230,012/345,018 = 63,800/x
  3. Step 3: Cross multiply
    230,012x = 345,018 × 63,800
  4. Step 4: Simplify right side
    230,012x = 22,012,148,400
  5. Step 5: Solve for x
    x = 22,012,148,400/230,012
  6. Step 6: Final answer
    x = 95,700

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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.