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Finding the Fourth Proportional to 299,550.46, 449,200.76 and 121,936.90

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Solution

The fourth proportional to 299,550.46, 449,200.76 and 121,936.90 is: 182,854.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,550.46 : 449,200.76 = 121,936.90 : x
  2. Step 2: Convert to fraction form
    299,550.46/449,200.76 = 121,936.90/x
  3. Step 3: Cross multiply
    299,550.46x = 449,200.76 × 121,936.90
  4. Step 4: Simplify right side
    299,550.46x = 54,774,146,210.88
  5. Step 5: Solve for x
    x = 54,774,146,210.88/299,550.46
  6. Step 6: Final answer
    x = 182,854.49

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1.5x scale

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.