Home / 397,824.36-596,750.94-131,591.40

Finding the Fourth Proportional to 397,824.36, 596,750.94 and 131,591.40

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Solution

The fourth proportional to 397,824.36, 596,750.94 and 131,591.40 is: 197,391.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,824.36 : 596,750.94 = 131,591.40 : x
  2. Step 2: Convert to fraction form
    397,824.36/596,750.94 = 131,591.40/x
  3. Step 3: Cross multiply
    397,824.36x = 596,750.94 × 131,591.40
  4. Step 4: Simplify right side
    397,824.36x = 78,527,291,645.92
  5. Step 5: Solve for x
    x = 78,527,291,645.92/397,824.36
  6. Step 6: Final answer
    x = 197,391.86

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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.