Home / 331,009.68-456,826.98-195,087.40

Finding the Fourth Proportional to 331,009.68, 456,826.98 and 195,087.40

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Solution

The fourth proportional to 331,009.68, 456,826.98 and 195,087.40 is: 269,240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,009.68 : 456,826.98 = 195,087.40 : x
  2. Step 2: Convert to fraction form
    331,009.68/456,826.98 = 195,087.40/x
  3. Step 3: Cross multiply
    331,009.68x = 456,826.98 × 195,087.40
  4. Step 4: Simplify right side
    331,009.68x = 89,121,187,778.05
  5. Step 5: Solve for x
    x = 89,121,187,778.05/331,009.68
  6. Step 6: Final answer
    x = 269,240.43

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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.