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Finding the Fourth Proportional to 227,291.30, 340,882.28 and 69,521.12

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Solution

The fourth proportional to 227,291.30, 340,882.28 and 69,521.12 is: 104,264.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,291.30 : 340,882.28 = 69,521.12 : x
  2. Step 2: Convert to fraction form
    227,291.30/340,882.28 = 69,521.12/x
  3. Step 3: Cross multiply
    227,291.30x = 340,882.28 × 69,521.12
  4. Step 4: Simplify right side
    227,291.30x = 23,698,517,893.75
  5. Step 5: Solve for x
    x = 23,698,517,893.75/227,291.30
  6. Step 6: Final answer
    x = 104,264.96

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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.