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Finding the Fourth Proportional to 555,864, 833,842.08 and 161,880

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Solution

The fourth proportional to 555,864, 833,842.08 and 161,880 is: 242,833.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,864 : 833,842.08 = 161,880 : x
  2. Step 2: Convert to fraction form
    555,864/833,842.08 = 161,880/x
  3. Step 3: Cross multiply
    555,864x = 833,842.08 × 161,880
  4. Step 4: Simplify right side
    555,864x = 134,982,355,910.40
  5. Step 5: Solve for x
    x = 134,982,355,910.40/555,864
  6. Step 6: Final answer
    x = 242,833.42

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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.