Home / 228,365.43-341,865.66-138,135.07

Finding the Fourth Proportional to 228,365.43, 341,865.66 and 138,135.07

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Solution

The fourth proportional to 228,365.43, 341,865.66 and 138,135.07 is: 206,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,365.43 : 341,865.66 = 138,135.07 : x
  2. Step 2: Convert to fraction form
    228,365.43/341,865.66 = 138,135.07/x
  3. Step 3: Cross multiply
    228,365.43x = 341,865.66 × 138,135.07
  4. Step 4: Simplify right side
    228,365.43x = 47,223,637,302.03
  5. Step 5: Solve for x
    x = 47,223,637,302.03/228,365.43
  6. Step 6: Final answer
    x = 206,789.78

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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.