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Finding the Fourth Proportional to 636,121.07, 954,179.16 and 162,805.67

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Solution

The fourth proportional to 636,121.07, 954,179.16 and 162,805.67 is: 244,207.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,121.07 : 954,179.16 = 162,805.67 : x
  2. Step 2: Convert to fraction form
    636,121.07/954,179.16 = 162,805.67/x
  3. Step 3: Cross multiply
    636,121.07x = 954,179.16 × 162,805.67
  4. Step 4: Simplify right side
    636,121.07x = 155,345,777,443.84
  5. Step 5: Solve for x
    x = 155,345,777,443.84/636,121.07
  6. Step 6: Final answer
    x = 244,207.88

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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.