Home / 397,279.02-548,233.50-225,212.94

Finding the Fourth Proportional to 397,279.02, 548,233.50 and 225,212.94

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Solution

The fourth proportional to 397,279.02, 548,233.50 and 225,212.94 is: 310,787.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,279.02 : 548,233.50 = 225,212.94 : x
  2. Step 2: Convert to fraction form
    397,279.02/548,233.50 = 225,212.94/x
  3. Step 3: Cross multiply
    397,279.02x = 548,233.50 × 225,212.94
  4. Step 4: Simplify right side
    397,279.02x = 123,469,278,341.49
  5. Step 5: Solve for x
    x = 123,469,278,341.49/397,279.02
  6. Step 6: Final answer
    x = 310,787.31

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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.