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Finding the Fourth Proportional to 227,376.79, 341,007.01 and 67,415.32

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Solution

The fourth proportional to 227,376.79, 341,007.01 and 67,415.32 is: 101,105.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,376.79 : 341,007.01 = 67,415.32 : x
  2. Step 2: Convert to fraction form
    227,376.79/341,007.01 = 67,415.32/x
  3. Step 3: Cross multiply
    227,376.79x = 341,007.01 × 67,415.32
  4. Step 4: Simplify right side
    227,376.79x = 22,989,096,701.39
  5. Step 5: Solve for x
    x = 22,989,096,701.39/227,376.79
  6. Step 6: Final answer
    x = 101,105.73

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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.