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Finding the Fourth Proportional to 294,221.70, 440,911.49 and 167,600.64

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Solution

The fourth proportional to 294,221.70, 440,911.49 and 167,600.64 is: 251,161.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,221.70 : 440,911.49 = 167,600.64 : x
  2. Step 2: Convert to fraction form
    294,221.70/440,911.49 = 167,600.64/x
  3. Step 3: Cross multiply
    294,221.70x = 440,911.49 × 167,600.64
  4. Step 4: Simplify right side
    294,221.70x = 73,897,048,722.77
  5. Step 5: Solve for x
    x = 73,897,048,722.77/294,221.70
  6. Step 6: Final answer
    x = 251,161.11

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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.