Home / 256,212.51-353,546.37-148,761.54

Finding the Fourth Proportional to 256,212.51, 353,546.37 and 148,761.54

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Solution

The fourth proportional to 256,212.51, 353,546.37 and 148,761.54 is: 205,275.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,212.51 : 353,546.37 = 148,761.54 : x
  2. Step 2: Convert to fraction form
    256,212.51/353,546.37 = 148,761.54/x
  3. Step 3: Cross multiply
    256,212.51x = 353,546.37 × 148,761.54
  4. Step 4: Simplify right side
    256,212.51x = 52,594,102,462.61
  5. Step 5: Solve for x
    x = 52,594,102,462.61/256,212.51
  6. Step 6: Final answer
    x = 205,275.31

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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.