Home / 257,621.00-385,914.82-131,256.14

Finding the Fourth Proportional to 257,621.00, 385,914.82 and 131,256.14

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Solution

The fourth proportional to 257,621.00, 385,914.82 and 131,256.14 is: 196,620.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,621.00 : 385,914.82 = 131,256.14 : x
  2. Step 2: Convert to fraction form
    257,621.00/385,914.82 = 131,256.14/x
  3. Step 3: Cross multiply
    257,621.00x = 385,914.82 × 131,256.14
  4. Step 4: Simplify right side
    257,621.00x = 50,653,687,538.53
  5. Step 5: Solve for x
    x = 50,653,687,538.53/257,621.00
  6. Step 6: Final answer
    x = 196,620.96

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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.