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Finding the Fourth Proportional to 297,906.46, 446,607.78 and 129,300.05

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Solution

The fourth proportional to 297,906.46, 446,607.78 and 129,300.05 is: 193,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,906.46 : 446,607.78 = 129,300.05 : x
  2. Step 2: Convert to fraction form
    297,906.46/446,607.78 = 129,300.05/x
  3. Step 3: Cross multiply
    297,906.46x = 446,607.78 × 129,300.05
  4. Step 4: Simplify right side
    297,906.46x = 57,746,406,403.86
  5. Step 5: Solve for x
    x = 57,746,406,403.86/297,906.46
  6. Step 6: Final answer
    x = 193,840.73

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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.