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Finding the Fourth Proportional to 227,674.80, 341,609.40 and 109,285.20

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Solution

The fourth proportional to 227,674.80, 341,609.40 and 109,285.20 is: 163,974.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,674.80 : 341,609.40 = 109,285.20 : x
  2. Step 2: Convert to fraction form
    227,674.80/341,609.40 = 109,285.20/x
  3. Step 3: Cross multiply
    227,674.80x = 341,609.40 × 109,285.20
  4. Step 4: Simplify right side
    227,674.80x = 37,332,851,600.88
  5. Step 5: Solve for x
    x = 37,332,851,600.88/227,674.80
  6. Step 6: Final answer
    x = 163,974.46

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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.