Home / 400,248.12-552,288.30-228,188.28

Finding the Fourth Proportional to 400,248.12, 552,288.30 and 228,188.28

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Solution

The fourth proportional to 400,248.12, 552,288.30 and 228,188.28 is: 314,868.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,248.12 : 552,288.30 = 228,188.28 : x
  2. Step 2: Convert to fraction form
    400,248.12/552,288.30 = 228,188.28/x
  3. Step 3: Cross multiply
    400,248.12x = 552,288.30 × 228,188.28
  4. Step 4: Simplify right side
    400,248.12x = 126,025,717,241.12
  5. Step 5: Solve for x
    x = 126,025,717,241.12/400,248.12
  6. Step 6: Final answer
    x = 314,868.98

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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.