Home / 251,635.36-377,401.20-111,304.48

Finding the Fourth Proportional to 251,635.36, 377,401.20 and 111,304.48

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Solution

The fourth proportional to 251,635.36, 377,401.20 and 111,304.48 is: 166,933.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,635.36 : 377,401.20 = 111,304.48 : x
  2. Step 2: Convert to fraction form
    251,635.36/377,401.20 = 111,304.48/x
  3. Step 3: Cross multiply
    251,635.36x = 377,401.20 × 111,304.48
  4. Step 4: Simplify right side
    251,635.36x = 42,006,444,317.38
  5. Step 5: Solve for x
    x = 42,006,444,317.38/251,635.36
  6. Step 6: Final answer
    x = 166,933.79

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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.