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Finding the Fourth Proportional to 251,054.46, 376,581.45 and 64,065.96

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Solution

The fourth proportional to 251,054.46, 376,581.45 and 64,065.96 is: 96,098.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,054.46 : 376,581.45 = 64,065.96 : x
  2. Step 2: Convert to fraction form
    251,054.46/376,581.45 = 64,065.96/x
  3. Step 3: Cross multiply
    251,054.46x = 376,581.45 × 64,065.96
  4. Step 4: Simplify right side
    251,054.46x = 24,126,052,112.44
  5. Step 5: Solve for x
    x = 24,126,052,112.44/251,054.46
  6. Step 6: Final answer
    x = 96,098.88

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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.