Home / 228,964.14-315,989.39-127,022.42

Finding the Fourth Proportional to 228,964.14, 315,989.39 and 127,022.42

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Solution

The fourth proportional to 228,964.14, 315,989.39 and 127,022.42 is: 175,301.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,964.14 : 315,989.39 = 127,022.42 : x
  2. Step 2: Convert to fraction form
    228,964.14/315,989.39 = 127,022.42/x
  3. Step 3: Cross multiply
    228,964.14x = 315,989.39 × 127,022.42
  4. Step 4: Simplify right side
    228,964.14x = 40,137,737,012.12
  5. Step 5: Solve for x
    x = 40,137,737,012.12/228,964.14
  6. Step 6: Final answer
    x = 175,301.41

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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.