Home / 284,601.24-392,791.41-171,421.56

Finding the Fourth Proportional to 284,601.24, 392,791.41 and 171,421.56

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Solution

The fourth proportional to 284,601.24, 392,791.41 and 171,421.56 is: 236,586.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,601.24 : 392,791.41 = 171,421.56 : x
  2. Step 2: Convert to fraction form
    284,601.24/392,791.41 = 171,421.56/x
  3. Step 3: Cross multiply
    284,601.24x = 392,791.41 × 171,421.56
  4. Step 4: Simplify right side
    284,601.24x = 67,332,916,256.80
  5. Step 5: Solve for x
    x = 67,332,916,256.80/284,601.24
  6. Step 6: Final answer
    x = 236,586.87

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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.