Home / 397,647.97-596,564.21-131,392.35

Finding the Fourth Proportional to 397,647.97, 596,564.21 and 131,392.35

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Solution

The fourth proportional to 397,647.97, 596,564.21 and 131,392.35 is: 197,119.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,647.97 : 596,564.21 = 131,392.35 : x
  2. Step 2: Convert to fraction form
    397,647.97/596,564.21 = 131,392.35/x
  3. Step 3: Cross multiply
    397,647.97x = 596,564.21 × 131,392.35
  4. Step 4: Simplify right side
    397,647.97x = 78,383,973,806.27
  5. Step 5: Solve for x
    x = 78,383,973,806.27/397,647.97
  6. Step 6: Final answer
    x = 197,119.01

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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.