Home / 227,292.50-313,798.20-202,072.34

Finding the Fourth Proportional to 227,292.50, 313,798.20 and 202,072.34

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Solution

The fourth proportional to 227,292.50, 313,798.20 and 202,072.34 is: 278,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,292.50 : 313,798.20 = 202,072.34 : x
  2. Step 2: Convert to fraction form
    227,292.50/313,798.20 = 202,072.34/x
  3. Step 3: Cross multiply
    227,292.50x = 313,798.20 × 202,072.34
  4. Step 4: Simplify right side
    227,292.50x = 63,409,936,561.79
  5. Step 5: Solve for x
    x = 63,409,936,561.79/227,292.50
  6. Step 6: Final answer
    x = 278,979.45

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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.