Home / 269,771.49-372,284.70-148,912.83

Finding the Fourth Proportional to 269,771.49, 372,284.70 and 148,912.83

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Solution

The fourth proportional to 269,771.49, 372,284.70 and 148,912.83 is: 205,499.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,771.49 : 372,284.70 = 148,912.83 : x
  2. Step 2: Convert to fraction form
    269,771.49/372,284.70 = 148,912.83/x
  3. Step 3: Cross multiply
    269,771.49x = 372,284.70 × 148,912.83
  4. Step 4: Simplify right side
    269,771.49x = 55,437,968,242.70
  5. Step 5: Solve for x
    x = 55,437,968,242.70/269,771.49
  6. Step 6: Final answer
    x = 205,499.73

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1.5x scale

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.