Home / 240,383.54-331,739.33-138,406.46

Finding the Fourth Proportional to 240,383.54, 331,739.33 and 138,406.46

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Solution

The fourth proportional to 240,383.54, 331,739.33 and 138,406.46 is: 191,006.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,383.54 : 331,739.33 = 138,406.46 : x
  2. Step 2: Convert to fraction form
    240,383.54/331,739.33 = 138,406.46/x
  3. Step 3: Cross multiply
    240,383.54x = 331,739.33 × 138,406.46
  4. Step 4: Simplify right side
    240,383.54x = 45,914,863,957.34
  5. Step 5: Solve for x
    x = 45,914,863,957.34/240,383.54
  6. Step 6: Final answer
    x = 191,006.69

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1.5x scale

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.