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Finding the Fourth Proportional to 197,885.80, 296,828.70 and 79,496.20

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Solution

The fourth proportional to 197,885.80, 296,828.70 and 79,496.20 is: 119,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,885.80 : 296,828.70 = 79,496.20 : x
  2. Step 2: Convert to fraction form
    197,885.80/296,828.70 = 79,496.20/x
  3. Step 3: Cross multiply
    197,885.80x = 296,828.70 × 79,496.20
  4. Step 4: Simplify right side
    197,885.80x = 23,596,753,700.94
  5. Step 5: Solve for x
    x = 23,596,753,700.94/197,885.80
  6. Step 6: Final answer
    x = 119,244.30

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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.