Home / 207,598.20-311,349.51-81,241.44

Finding the Fourth Proportional to 207,598.20, 311,349.51 and 81,241.44

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Solution

The fourth proportional to 207,598.20, 311,349.51 and 81,241.44 is: 121,843.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,598.20 : 311,349.51 = 81,241.44 : x
  2. Step 2: Convert to fraction form
    207,598.20/311,349.51 = 81,241.44/x
  3. Step 3: Cross multiply
    207,598.20x = 311,349.51 × 81,241.44
  4. Step 4: Simplify right side
    207,598.20x = 25,294,482,535.69
  5. Step 5: Solve for x
    x = 25,294,482,535.69/207,598.20
  6. Step 6: Final answer
    x = 121,843.46

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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.