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Finding the Fourth Proportional to 351,304, 526,963.92 and 126,682.72

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Solution

The fourth proportional to 351,304, 526,963.92 and 126,682.72 is: 190,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,304 : 526,963.92 = 126,682.72 : x
  2. Step 2: Convert to fraction form
    351,304/526,963.92 = 126,682.72/x
  3. Step 3: Cross multiply
    351,304x = 526,963.92 × 126,682.72
  4. Step 4: Simplify right side
    351,304x = 66,757,222,727.46
  5. Step 5: Solve for x
    x = 66,757,222,727.46/351,304
  6. Step 6: Final answer
    x = 190,026.94

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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.