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Finding the Fourth Proportional to 237,776.31, 356,704.56 and 79,967.25

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Solution

The fourth proportional to 237,776.31, 356,704.56 and 79,967.25 is: 119,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,776.31 : 356,704.56 = 79,967.25 : x
  2. Step 2: Convert to fraction form
    237,776.31/356,704.56 = 79,967.25/x
  3. Step 3: Cross multiply
    237,776.31x = 356,704.56 × 79,967.25
  4. Step 4: Simplify right side
    237,776.31x = 28,524,682,725.66
  5. Step 5: Solve for x
    x = 28,524,682,725.66/237,776.31
  6. Step 6: Final answer
    x = 119,964.36

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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.