Home / 338,938.70-467,776.89-195,698.50

Finding the Fourth Proportional to 338,938.70, 467,776.89 and 195,698.50

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Solution

The fourth proportional to 338,938.70, 467,776.89 and 195,698.50 is: 270,087.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,938.70 : 467,776.89 = 195,698.50 : x
  2. Step 2: Convert to fraction form
    338,938.70/467,776.89 = 195,698.50/x
  3. Step 3: Cross multiply
    338,938.70x = 467,776.89 × 195,698.50
  4. Step 4: Simplify right side
    338,938.70x = 91,543,235,558.52
  5. Step 5: Solve for x
    x = 91,543,235,558.52/338,938.70
  6. Step 6: Final answer
    x = 270,087.88

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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.