Home / 400,247.12-552,286.92-228,187.28

Finding the Fourth Proportional to 400,247.12, 552,286.92 and 228,187.28

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Solution

The fourth proportional to 400,247.12, 552,286.92 and 228,187.28 is: 314,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,247.12 : 552,286.92 = 228,187.28 : x
  2. Step 2: Convert to fraction form
    400,247.12/552,286.92 = 228,187.28/x
  3. Step 3: Cross multiply
    400,247.12x = 552,286.92 × 228,187.28
  4. Step 4: Simplify right side
    400,247.12x = 126,024,850,054.38
  5. Step 5: Solve for x
    x = 126,024,850,054.38/400,247.12
  6. Step 6: Final answer
    x = 314,867.60

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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.