Home / 307,131.91-460,721.19-104,665.09

Finding the Fourth Proportional to 307,131.91, 460,721.19 and 104,665.09

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Solution

The fourth proportional to 307,131.91, 460,721.19 and 104,665.09 is: 157,005.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,131.91 : 460,721.19 = 104,665.09 : x
  2. Step 2: Convert to fraction form
    307,131.91/460,721.19 = 104,665.09/x
  3. Step 3: Cross multiply
    307,131.91x = 460,721.19 × 104,665.09
  4. Step 4: Simplify right side
    307,131.91x = 48,221,423,664.45
  5. Step 5: Solve for x
    x = 48,221,423,664.45/307,131.91
  6. Step 6: Final answer
    x = 157,005.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.