Home / 397,693.32-596,633.39-131,453.84

Finding the Fourth Proportional to 397,693.32, 596,633.39 and 131,453.84

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Solution

The fourth proportional to 397,693.32, 596,633.39 and 131,453.84 is: 197,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,693.32 : 596,633.39 = 131,453.84 : x
  2. Step 2: Convert to fraction form
    397,693.32/596,633.39 = 131,453.84/x
  3. Step 3: Cross multiply
    397,693.32x = 596,633.39 × 131,453.84
  4. Step 4: Simplify right side
    397,693.32x = 78,429,750,187.72
  5. Step 5: Solve for x
    x = 78,429,750,187.72/397,693.32
  6. Step 6: Final answer
    x = 197,211.64

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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.