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Finding the Fourth Proportional to 405,614.46, 559,818.19 and 244,469.69

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Solution

The fourth proportional to 405,614.46, 559,818.19 and 244,469.69 is: 337,410.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,614.46 : 559,818.19 = 244,469.69 : x
  2. Step 2: Convert to fraction form
    405,614.46/559,818.19 = 244,469.69/x
  3. Step 3: Cross multiply
    405,614.46x = 559,818.19 × 244,469.69
  4. Step 4: Simplify right side
    405,614.46x = 136,858,579,365.66
  5. Step 5: Solve for x
    x = 136,858,579,365.66/405,614.46
  6. Step 6: Final answer
    x = 337,410.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.