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Finding the Fourth Proportional to 227,005.92, 340,501.68 and 69,228

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Solution

The fourth proportional to 227,005.92, 340,501.68 and 69,228 is: 103,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,005.92 : 340,501.68 = 69,228 : x
  2. Step 2: Convert to fraction form
    227,005.92/340,501.68 = 69,228/x
  3. Step 3: Cross multiply
    227,005.92x = 340,501.68 × 69,228
  4. Step 4: Simplify right side
    227,005.92x = 23,572,250,303.04
  5. Step 5: Solve for x
    x = 23,572,250,303.04/227,005.92
  6. Step 6: Final answer
    x = 103,839.80

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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.