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Finding the Fourth Proportional to 297,910.68, 446,725.52 and 108,237.28

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Solution

The fourth proportional to 297,910.68, 446,725.52 and 108,237.28 is: 162,304.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,910.68 : 446,725.52 = 108,237.28 : x
  2. Step 2: Convert to fraction form
    297,910.68/446,725.52 = 108,237.28/x
  3. Step 3: Cross multiply
    297,910.68x = 446,725.52 × 108,237.28
  4. Step 4: Simplify right side
    297,910.68x = 48,352,355,191.39
  5. Step 5: Solve for x
    x = 48,352,355,191.39/297,910.68
  6. Step 6: Final answer
    x = 162,304.87

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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.