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Finding the Fourth Proportional to 372,446.94, 558,673.24 and 106,207.22

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Solution

The fourth proportional to 372,446.94, 558,673.24 and 106,207.22 is: 159,311.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,446.94 : 558,673.24 = 106,207.22 : x
  2. Step 2: Convert to fraction form
    372,446.94/558,673.24 = 106,207.22/x
  3. Step 3: Cross multiply
    372,446.94x = 558,673.24 × 106,207.22
  4. Step 4: Simplify right side
    372,446.94x = 59,335,131,708.79
  5. Step 5: Solve for x
    x = 59,335,131,708.79/372,446.94
  6. Step 6: Final answer
    x = 159,311.64

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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.