Home / 443,076.82-611,419.08-261,745.36

Finding the Fourth Proportional to 443,076.82, 611,419.08 and 261,745.36

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Solution

The fourth proportional to 443,076.82, 611,419.08 and 261,745.36 is: 361,192.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,076.82 : 611,419.08 = 261,745.36 : x
  2. Step 2: Convert to fraction form
    443,076.82/611,419.08 = 261,745.36/x
  3. Step 3: Cross multiply
    443,076.82x = 611,419.08 × 261,745.36
  4. Step 4: Simplify right side
    443,076.82x = 160,036,106,658.47
  5. Step 5: Solve for x
    x = 160,036,106,658.47/443,076.82
  6. Step 6: Final answer
    x = 361,192.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.