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Finding the Fourth Proportional to 400,260.80, 552,299.60 and 228,193.72

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Solution

The fourth proportional to 400,260.80, 552,299.60 and 228,193.72 is: 314,872.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,260.80 : 552,299.60 = 228,193.72 : x
  2. Step 2: Convert to fraction form
    400,260.80/552,299.60 = 228,193.72/x
  3. Step 3: Cross multiply
    400,260.80x = 552,299.60 × 228,193.72
  4. Step 4: Simplify right side
    400,260.80x = 126,031,299,468.25
  5. Step 5: Solve for x
    x = 126,031,299,468.25/400,260.80
  6. Step 6: Final answer
    x = 314,872.95

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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.