Home / 228,211.14-342,312.46-68,287.17

Finding the Fourth Proportional to 228,211.14, 342,312.46 and 68,287.17

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Solution

The fourth proportional to 228,211.14, 342,312.46 and 68,287.17 is: 102,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,211.14 : 342,312.46 = 68,287.17 : x
  2. Step 2: Convert to fraction form
    228,211.14/342,312.46 = 68,287.17/x
  3. Step 3: Cross multiply
    228,211.14x = 342,312.46 × 68,287.17
  4. Step 4: Simplify right side
    228,211.14x = 23,375,548,978.42
  5. Step 5: Solve for x
    x = 23,375,548,978.42/228,211.14
  6. Step 6: Final answer
    x = 102,429.48

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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.