Home / 397,736.61-596,478.02-131,447.49

Finding the Fourth Proportional to 397,736.61, 596,478.02 and 131,447.49

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Solution

The fourth proportional to 397,736.61, 596,478.02 and 131,447.49 is: 197,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,736.61 : 596,478.02 = 131,447.49 : x
  2. Step 2: Convert to fraction form
    397,736.61/596,478.02 = 131,447.49/x
  3. Step 3: Cross multiply
    397,736.61x = 596,478.02 × 131,447.49
  4. Step 4: Simplify right side
    397,736.61x = 78,405,537,911.93
  5. Step 5: Solve for x
    x = 78,405,537,911.93/397,736.61
  6. Step 6: Final answer
    x = 197,129.30

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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.