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Finding the Fourth Proportional to 227,665.40, 341,498.10 and 79,902.20

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Solution

The fourth proportional to 227,665.40, 341,498.10 and 79,902.20 is: 119,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,665.40 : 341,498.10 = 79,902.20 : x
  2. Step 2: Convert to fraction form
    227,665.40/341,498.10 = 79,902.20/x
  3. Step 3: Cross multiply
    227,665.40x = 341,498.10 × 79,902.20
  4. Step 4: Simplify right side
    227,665.40x = 27,286,449,485.82
  5. Step 5: Solve for x
    x = 27,286,449,485.82/227,665.40
  6. Step 6: Final answer
    x = 119,853.30

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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.