Home / 279,606.36-385,894.83-164,917.44

Finding the Fourth Proportional to 279,606.36, 385,894.83 and 164,917.44

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Solution

The fourth proportional to 279,606.36, 385,894.83 and 164,917.44 is: 227,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,606.36 : 385,894.83 = 164,917.44 : x
  2. Step 2: Convert to fraction form
    279,606.36/385,894.83 = 164,917.44/x
  3. Step 3: Cross multiply
    279,606.36x = 385,894.83 × 164,917.44
  4. Step 4: Simplify right side
    279,606.36x = 63,640,787,472.84
  5. Step 5: Solve for x
    x = 63,640,787,472.84/279,606.36
  6. Step 6: Final answer
    x = 227,608.51

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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.