Home / 398,829.14-550,385.94-217,544.97

Finding the Fourth Proportional to 398,829.14, 550,385.94 and 217,544.97

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Solution

The fourth proportional to 398,829.14, 550,385.94 and 217,544.97 is: 300,213.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,829.14 : 550,385.94 = 217,544.97 : x
  2. Step 2: Convert to fraction form
    398,829.14/550,385.94 = 217,544.97/x
  3. Step 3: Cross multiply
    398,829.14x = 550,385.94 × 217,544.97
  4. Step 4: Simplify right side
    398,829.14x = 119,733,692,805.72
  5. Step 5: Solve for x
    x = 119,733,692,805.72/398,829.14
  6. Step 6: Final answer
    x = 300,213.00

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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.