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Finding the Fourth Proportional to 230,000, 345,000 and 63,788

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Solution

The fourth proportional to 230,000, 345,000 and 63,788 is: 95,682

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,000 : 345,000 = 63,788 : x
  2. Step 2: Convert to fraction form
    230,000/345,000 = 63,788/x
  3. Step 3: Cross multiply
    230,000x = 345,000 × 63,788
  4. Step 4: Simplify right side
    230,000x = 22,006,860,000
  5. Step 5: Solve for x
    x = 22,006,860,000/230,000
  6. Step 6: Final answer
    x = 95,682

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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.