Home / 307,456.31-424,112.09-184,863.53

Finding the Fourth Proportional to 307,456.31, 424,112.09 and 184,863.53

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Solution

The fourth proportional to 307,456.31, 424,112.09 and 184,863.53 is: 255,004.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,456.31 : 424,112.09 = 184,863.53 : x
  2. Step 2: Convert to fraction form
    307,456.31/424,112.09 = 184,863.53/x
  3. Step 3: Cross multiply
    307,456.31x = 424,112.09 × 184,863.53
  4. Step 4: Simplify right side
    307,456.31x = 78,402,858,209.04
  5. Step 5: Solve for x
    x = 78,402,858,209.04/307,456.31
  6. Step 6: Final answer
    x = 255,004.87

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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.