Home / 400,236.18-552,355.92-228,158.25

Finding the Fourth Proportional to 400,236.18, 552,355.92 and 228,158.25

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Solution

The fourth proportional to 400,236.18, 552,355.92 and 228,158.25 is: 314,875.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,236.18 : 552,355.92 = 228,158.25 : x
  2. Step 2: Convert to fraction form
    400,236.18/552,355.92 = 228,158.25/x
  3. Step 3: Cross multiply
    400,236.18x = 552,355.92 × 228,158.25
  4. Step 4: Simplify right side
    400,236.18x = 126,024,560,084.34
  5. Step 5: Solve for x
    x = 126,024,560,084.34/400,236.18
  6. Step 6: Final answer
    x = 314,875.48

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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.