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Finding the Fourth Proportional to 347,227.61, 520,891.31 and 107,360.22

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Solution

The fourth proportional to 347,227.61, 520,891.31 and 107,360.22 is: 161,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,227.61 : 520,891.31 = 107,360.22 : x
  2. Step 2: Convert to fraction form
    347,227.61/520,891.31 = 107,360.22/x
  3. Step 3: Cross multiply
    347,227.61x = 520,891.31 × 107,360.22
  4. Step 4: Simplify right side
    347,227.61x = 55,923,005,637.69
  5. Step 5: Solve for x
    x = 55,923,005,637.69/347,227.61
  6. Step 6: Final answer
    x = 161,055.76

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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.