Home / 397,713.53-596,663.73-131,474.03

Finding the Fourth Proportional to 397,713.53, 596,663.73 and 131,474.03

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Solution

The fourth proportional to 397,713.53, 596,663.73 and 131,474.03 is: 197,241.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,713.53 : 596,663.73 = 131,474.03 : x
  2. Step 2: Convert to fraction form
    397,713.53/596,663.73 = 131,474.03/x
  3. Step 3: Cross multiply
    397,713.53x = 596,663.73 × 131,474.03
  4. Step 4: Simplify right side
    397,713.53x = 78,445,782,154.61
  5. Step 5: Solve for x
    x = 78,445,782,154.61/397,713.53
  6. Step 6: Final answer
    x = 197,241.92

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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.