Home / 400,231.27-552,332.30-228,146.16

Finding the Fourth Proportional to 400,231.27, 552,332.30 and 228,146.16

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Solution

The fourth proportional to 400,231.27, 552,332.30 and 228,146.16 is: 314,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,231.27 : 552,332.30 = 228,146.16 : x
  2. Step 2: Convert to fraction form
    400,231.27/552,332.30 = 228,146.16/x
  3. Step 3: Cross multiply
    400,231.27x = 552,332.30 × 228,146.16
  4. Step 4: Simplify right side
    400,231.27x = 126,012,493,288.97
  5. Step 5: Solve for x
    x = 126,012,493,288.97/400,231.27
  6. Step 6: Final answer
    x = 314,849.20

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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.