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Finding the Fourth Proportional to 227,079, 340,612.02 and 69,284.52

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Solution

The fourth proportional to 227,079, 340,612.02 and 69,284.52 is: 103,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,079 : 340,612.02 = 69,284.52 : x
  2. Step 2: Convert to fraction form
    227,079/340,612.02 = 69,284.52/x
  3. Step 3: Cross multiply
    227,079x = 340,612.02 × 69,284.52
  4. Step 4: Simplify right side
    227,079x = 23,599,140,311.93
  5. Step 5: Solve for x
    x = 23,599,140,311.93/227,079
  6. Step 6: Final answer
    x = 103,924.80

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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.