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Finding the Fourth Proportional to 227,301.90, 340,879.08 and 107,340.30

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Solution

The fourth proportional to 227,301.90, 340,879.08 and 107,340.30 is: 160,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,301.90 : 340,879.08 = 107,340.30 : x
  2. Step 2: Convert to fraction form
    227,301.90/340,879.08 = 107,340.30/x
  3. Step 3: Cross multiply
    227,301.90x = 340,879.08 × 107,340.30
  4. Step 4: Simplify right side
    227,301.90x = 36,590,062,710.92
  5. Step 5: Solve for x
    x = 36,590,062,710.92/227,301.90
  6. Step 6: Final answer
    x = 160,975.61

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1.5x scale

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.