Home / 398,932.25-550,523.88-226,850.23

Finding the Fourth Proportional to 398,932.25, 550,523.88 and 226,850.23

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Solution

The fourth proportional to 398,932.25, 550,523.88 and 226,850.23 is: 313,051.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,932.25 : 550,523.88 = 226,850.23 : x
  2. Step 2: Convert to fraction form
    398,932.25/550,523.88 = 226,850.23/x
  3. Step 3: Cross multiply
    398,932.25x = 550,523.88 × 226,850.23
  4. Step 4: Simplify right side
    398,932.25x = 124,886,468,798.49
  5. Step 5: Solve for x
    x = 124,886,468,798.49/398,932.25
  6. Step 6: Final answer
    x = 313,051.82

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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.