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Finding the Fourth Proportional to 227,292.64, 340,939.20 and 122,776.16

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Solution

The fourth proportional to 227,292.64, 340,939.20 and 122,776.16 is: 184,164.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,292.64 : 340,939.20 = 122,776.16 : x
  2. Step 2: Convert to fraction form
    227,292.64/340,939.20 = 122,776.16/x
  3. Step 3: Cross multiply
    227,292.64x = 340,939.20 × 122,776.16
  4. Step 4: Simplify right side
    227,292.64x = 41,859,205,769.47
  5. Step 5: Solve for x
    x = 41,859,205,769.47/227,292.64
  6. Step 6: Final answer
    x = 184,164.37

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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.