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Finding the Fourth Proportional to 548,071.68, 822,107.52 and 193,002.51

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Solution

The fourth proportional to 548,071.68, 822,107.52 and 193,002.51 is: 289,503.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,071.68 : 822,107.52 = 193,002.51 : x
  2. Step 2: Convert to fraction form
    548,071.68/822,107.52 = 193,002.51/x
  3. Step 3: Cross multiply
    548,071.68x = 822,107.52 × 193,002.51
  4. Step 4: Simplify right side
    548,071.68x = 158,668,813,884.86
  5. Step 5: Solve for x
    x = 158,668,813,884.86/548,071.68
  6. Step 6: Final answer
    x = 289,503.76

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Similar ratio
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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.