Home / 397,771.45-596,597.94-131,533.36

Finding the Fourth Proportional to 397,771.45, 596,597.94 and 131,533.36

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Solution

The fourth proportional to 397,771.45, 596,597.94 and 131,533.36 is: 197,280.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,771.45 : 596,597.94 = 131,533.36 : x
  2. Step 2: Convert to fraction form
    397,771.45/596,597.94 = 131,533.36/x
  3. Step 3: Cross multiply
    397,771.45x = 596,597.94 × 131,533.36
  4. Step 4: Simplify right side
    397,771.45x = 78,472,530,125.78
  5. Step 5: Solve for x
    x = 78,472,530,125.78/397,771.45
  6. Step 6: Final answer
    x = 197,280.45

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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.