Home / 431,265.29-646,993.13-131,769.27

Finding the Fourth Proportional to 431,265.29, 646,993.13 and 131,769.27

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Solution

The fourth proportional to 431,265.29, 646,993.13 and 131,769.27 is: 197,682.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,265.29 : 646,993.13 = 131,769.27 : x
  2. Step 2: Convert to fraction form
    431,265.29/646,993.13 = 131,769.27/x
  3. Step 3: Cross multiply
    431,265.29x = 646,993.13 × 131,769.27
  4. Step 4: Simplify right side
    431,265.29x = 85,253,811,776.27
  5. Step 5: Solve for x
    x = 85,253,811,776.27/431,265.29
  6. Step 6: Final answer
    x = 197,682.99

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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.