Home / 328,080.48-491,945.68-169,916.64

Finding the Fourth Proportional to 328,080.48, 491,945.68 and 169,916.64

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Solution

The fourth proportional to 328,080.48, 491,945.68 and 169,916.64 is: 254,784.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,080.48 : 491,945.68 = 169,916.64 : x
  2. Step 2: Convert to fraction form
    328,080.48/491,945.68 = 169,916.64/x
  3. Step 3: Cross multiply
    328,080.48x = 491,945.68 × 169,916.64
  4. Step 4: Simplify right side
    328,080.48x = 83,589,757,008.12
  5. Step 5: Solve for x
    x = 83,589,757,008.12/328,080.48
  6. Step 6: Final answer
    x = 254,784.30

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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.