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Finding the Fourth Proportional to 197,802, 296,740.20 and 79,482.72

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Solution

The fourth proportional to 197,802, 296,740.20 and 79,482.72 is: 119,239.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,802 : 296,740.20 = 79,482.72 : x
  2. Step 2: Convert to fraction form
    197,802/296,740.20 = 79,482.72/x
  3. Step 3: Cross multiply
    197,802x = 296,740.20 × 79,482.72
  4. Step 4: Simplify right side
    197,802x = 23,585,718,229.34
  5. Step 5: Solve for x
    x = 23,585,718,229.34/197,802
  6. Step 6: Final answer
    x = 119,239.03

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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.