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Finding the Fourth Proportional to 197,377.40, 296,182.80 and 72,805.88

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Solution

The fourth proportional to 197,377.40, 296,182.80 and 72,805.88 is: 109,251.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,377.40 : 296,182.80 = 72,805.88 : x
  2. Step 2: Convert to fraction form
    197,377.40/296,182.80 = 72,805.88/x
  3. Step 3: Cross multiply
    197,377.40x = 296,182.80 × 72,805.88
  4. Step 4: Simplify right side
    197,377.40x = 21,563,849,394.86
  5. Step 5: Solve for x
    x = 21,563,849,394.86/197,377.40
  6. Step 6: Final answer
    x = 109,251.87

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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.