Home / 397,689.06-596,627.00-131,449.55

Finding the Fourth Proportional to 397,689.06, 596,627.00 and 131,449.55

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Solution

The fourth proportional to 397,689.06, 596,627.00 and 131,449.55 is: 197,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,689.06 : 596,627.00 = 131,449.55 : x
  2. Step 2: Convert to fraction form
    397,689.06/596,627.00 = 131,449.55/x
  3. Step 3: Cross multiply
    397,689.06x = 596,627.00 × 131,449.55
  4. Step 4: Simplify right side
    397,689.06x = 78,426,347,520.40
  5. Step 5: Solve for x
    x = 78,426,347,520.40/397,689.06
  6. Step 6: Final answer
    x = 197,205.19

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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.