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Finding the Fourth Proportional to 294,225.30, 440,992.34 and 136,119.78

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Solution

The fourth proportional to 294,225.30, 440,992.34 and 136,119.78 is: 204,019.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,225.30 : 440,992.34 = 136,119.78 : x
  2. Step 2: Convert to fraction form
    294,225.30/440,992.34 = 136,119.78/x
  3. Step 3: Cross multiply
    294,225.30x = 440,992.34 × 136,119.78
  4. Step 4: Simplify right side
    294,225.30x = 60,027,780,302.49
  5. Step 5: Solve for x
    x = 60,027,780,302.49/294,225.30
  6. Step 6: Final answer
    x = 204,019.78

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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.