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Finding the Fourth Proportional to 325,349.88, 448,958.32 and 198,011.40

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Solution

The fourth proportional to 325,349.88, 448,958.32 and 198,011.40 is: 273,240.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,349.88 : 448,958.32 = 198,011.40 : x
  2. Step 2: Convert to fraction form
    325,349.88/448,958.32 = 198,011.40/x
  3. Step 3: Cross multiply
    325,349.88x = 448,958.32 × 198,011.40
  4. Step 4: Simplify right side
    325,349.88x = 88,898,865,484.85
  5. Step 5: Solve for x
    x = 88,898,865,484.85/325,349.88
  6. Step 6: Final answer
    x = 273,240.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.