Home / 328,070.46-491,930.73-169,906.62

Finding the Fourth Proportional to 328,070.46, 491,930.73 and 169,906.62

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Solution

The fourth proportional to 328,070.46, 491,930.73 and 169,906.62 is: 254,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,070.46 : 491,930.73 = 169,906.62 : x
  2. Step 2: Convert to fraction form
    328,070.46/491,930.73 = 169,906.62/x
  3. Step 3: Cross multiply
    328,070.46x = 491,930.73 × 169,906.62
  4. Step 4: Simplify right side
    328,070.46x = 83,582,287,608.43
  5. Step 5: Solve for x
    x = 83,582,287,608.43/328,070.46
  6. Step 6: Final answer
    x = 254,769.32

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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.