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Finding the Fourth Proportional to 229,992, 344,988 and 63,780

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Solution

The fourth proportional to 229,992, 344,988 and 63,780 is: 95,670

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,992 : 344,988 = 63,780 : x
  2. Step 2: Convert to fraction form
    229,992/344,988 = 63,780/x
  3. Step 3: Cross multiply
    229,992x = 344,988 × 63,780
  4. Step 4: Simplify right side
    229,992x = 22,003,334,640
  5. Step 5: Solve for x
    x = 22,003,334,640/229,992
  6. Step 6: Final answer
    x = 95,670

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.