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Finding the Fourth Proportional to 197,808, 296,749.20 and 79,488.72

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Solution

The fourth proportional to 197,808, 296,749.20 and 79,488.72 is: 119,248.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,808 : 296,749.20 = 79,488.72 : x
  2. Step 2: Convert to fraction form
    197,808/296,749.20 = 79,488.72/x
  3. Step 3: Cross multiply
    197,808x = 296,749.20 × 79,488.72
  4. Step 4: Simplify right side
    197,808x = 23,588,214,069.02
  5. Step 5: Solve for x
    x = 23,588,214,069.02/197,808
  6. Step 6: Final answer
    x = 119,248.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.