Home / 397,610.88-596,476.80-131,399.52

Finding the Fourth Proportional to 397,610.88, 596,476.80 and 131,399.52

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Solution

The fourth proportional to 397,610.88, 596,476.80 and 131,399.52 is: 197,119.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,610.88 : 596,476.80 = 131,399.52 : x
  2. Step 2: Convert to fraction form
    397,610.88/596,476.80 = 131,399.52/x
  3. Step 3: Cross multiply
    397,610.88x = 596,476.80 × 131,399.52
  4. Step 4: Simplify right side
    397,610.88x = 78,376,765,211.14
  5. Step 5: Solve for x
    x = 78,376,765,211.14/397,610.88
  6. Step 6: Final answer
    x = 197,119.27

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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.