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Finding the Fourth Proportional to 451,551.86, 676,853.65 and 151,928.42

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Solution

The fourth proportional to 451,551.86, 676,853.65 and 151,928.42 is: 227,733.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,551.86 : 676,853.65 = 151,928.42 : x
  2. Step 2: Convert to fraction form
    451,551.86/676,853.65 = 151,928.42/x
  3. Step 3: Cross multiply
    451,551.86x = 676,853.65 × 151,928.42
  4. Step 4: Simplify right side
    451,551.86x = 102,833,304,856.09
  5. Step 5: Solve for x
    x = 102,833,304,856.09/451,551.86
  6. Step 6: Final answer
    x = 227,733.10

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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.