Home / 328,064.46-491,921.73-169,900.62

Finding the Fourth Proportional to 328,064.46, 491,921.73 and 169,900.62

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Solution

The fourth proportional to 328,064.46, 491,921.73 and 169,900.62 is: 254,760.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,064.46 : 491,921.73 = 169,900.62 : x
  2. Step 2: Convert to fraction form
    328,064.46/491,921.73 = 169,900.62/x
  3. Step 3: Cross multiply
    328,064.46x = 491,921.73 × 169,900.62
  4. Step 4: Simplify right side
    328,064.46x = 83,577,806,918.47
  5. Step 5: Solve for x
    x = 83,577,806,918.47/328,064.46
  6. Step 6: Final answer
    x = 254,760.32

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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.