Home / 307,192.38-423,950.13-171,270.33

Finding the Fourth Proportional to 307,192.38, 423,950.13 and 171,270.33

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Solution

The fourth proportional to 307,192.38, 423,950.13 and 171,270.33 is: 236,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,192.38 : 423,950.13 = 171,270.33 : x
  2. Step 2: Convert to fraction form
    307,192.38/423,950.13 = 171,270.33/x
  3. Step 3: Cross multiply
    307,192.38x = 423,950.13 × 171,270.33
  4. Step 4: Simplify right side
    307,192.38x = 72,610,078,668.64
  5. Step 5: Solve for x
    x = 72,610,078,668.64/307,192.38
  6. Step 6: Final answer
    x = 236,366.80

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1.5x scale

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.