Home / 397,693.09-596,633.07-131,453.61

Finding the Fourth Proportional to 397,693.09, 596,633.07 and 131,453.61

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Solution

The fourth proportional to 397,693.09, 596,633.07 and 131,453.61 is: 197,211.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,693.09 : 596,633.07 = 131,453.61 : x
  2. Step 2: Convert to fraction form
    397,693.09/596,633.07 = 131,453.61/x
  3. Step 3: Cross multiply
    397,693.09x = 596,633.07 × 131,453.61
  4. Step 4: Simplify right side
    397,693.09x = 78,429,572,508.52
  5. Step 5: Solve for x
    x = 78,429,572,508.52/397,693.09
  6. Step 6: Final answer
    x = 197,211.30

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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.