Home / 307,844.34-424,708.29-186,939.96

Finding the Fourth Proportional to 307,844.34, 424,708.29 and 186,939.96

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Solution

The fourth proportional to 307,844.34, 424,708.29 and 186,939.96 is: 257,906.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,844.34 : 424,708.29 = 186,939.96 : x
  2. Step 2: Convert to fraction form
    307,844.34/424,708.29 = 186,939.96/x
  3. Step 3: Cross multiply
    307,844.34x = 424,708.29 × 186,939.96
  4. Step 4: Simplify right side
    307,844.34x = 79,394,950,744.27
  5. Step 5: Solve for x
    x = 79,394,950,744.27/307,844.34
  6. Step 6: Final answer
    x = 257,906.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.