Home / 228,964.15-315,989.39-127,022.42

Finding the Fourth Proportional to 228,964.15, 315,989.39 and 127,022.42

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Solution

The fourth proportional to 228,964.15, 315,989.39 and 127,022.42 is: 175,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,964.15 : 315,989.39 = 127,022.42 : x
  2. Step 2: Convert to fraction form
    228,964.15/315,989.39 = 127,022.42/x
  3. Step 3: Cross multiply
    228,964.15x = 315,989.39 × 127,022.42
  4. Step 4: Simplify right side
    228,964.15x = 40,137,735,432.18
  5. Step 5: Solve for x
    x = 40,137,735,432.18/228,964.15
  6. Step 6: Final answer
    x = 175,301.40

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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.