Home / 330,607.24-495,943.72-131,065.36

Finding the Fourth Proportional to 330,607.24, 495,943.72 and 131,065.36

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Solution

The fourth proportional to 330,607.24, 495,943.72 and 131,065.36 is: 196,611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,607.24 : 495,943.72 = 131,065.36 : x
  2. Step 2: Convert to fraction form
    330,607.24/495,943.72 = 131,065.36/x
  3. Step 3: Cross multiply
    330,607.24x = 495,943.72 × 131,065.36
  4. Step 4: Simplify right side
    330,607.24x = 65,001,042,201.54
  5. Step 5: Solve for x
    x = 65,001,042,201.54/330,607.24
  6. Step 6: Final answer
    x = 196,611.07

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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.