Home / 307,189.24-423,923.09-171,231.80

Finding the Fourth Proportional to 307,189.24, 423,923.09 and 171,231.80

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Solution

The fourth proportional to 307,189.24, 423,923.09 and 171,231.80 is: 236,300.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,189.24 : 423,923.09 = 171,231.80 : x
  2. Step 2: Convert to fraction form
    307,189.24/423,923.09 = 171,231.80/x
  3. Step 3: Cross multiply
    307,189.24x = 423,923.09 × 171,231.80
  4. Step 4: Simplify right side
    307,189.24x = 72,589,110,786.49
  5. Step 5: Solve for x
    x = 72,589,110,786.49/307,189.24
  6. Step 6: Final answer
    x = 236,300.96

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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.