Home / 307,226.11-423,798.38-192,305.27

Finding the Fourth Proportional to 307,226.11, 423,798.38 and 192,305.27

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Solution

The fourth proportional to 307,226.11, 423,798.38 and 192,305.27 is: 265,272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,226.11 : 423,798.38 = 192,305.27 : x
  2. Step 2: Convert to fraction form
    307,226.11/423,798.38 = 192,305.27/x
  3. Step 3: Cross multiply
    307,226.11x = 423,798.38 × 192,305.27
  4. Step 4: Simplify right side
    307,226.11x = 81,498,660,326.71
  5. Step 5: Solve for x
    x = 81,498,660,326.71/307,226.11
  6. Step 6: Final answer
    x = 265,272.57

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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.