Home / 228,121.54-342,231.24-68,210.02

Finding the Fourth Proportional to 228,121.54, 342,231.24 and 68,210.02

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Solution

The fourth proportional to 228,121.54, 342,231.24 and 68,210.02 is: 102,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,121.54 : 342,231.24 = 68,210.02 : x
  2. Step 2: Convert to fraction form
    228,121.54/342,231.24 = 68,210.02/x
  3. Step 3: Cross multiply
    228,121.54x = 342,231.24 × 68,210.02
  4. Step 4: Simplify right side
    228,121.54x = 23,343,599,725.02
  5. Step 5: Solve for x
    x = 23,343,599,725.02/228,121.54
  6. Step 6: Final answer
    x = 102,329.66

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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.