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Finding the Fourth Proportional to 400,558.98, 552,832.11 and 228,476.10

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Solution

The fourth proportional to 400,558.98, 552,832.11 and 228,476.10 is: 315,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,558.98 : 552,832.11 = 228,476.10 : x
  2. Step 2: Convert to fraction form
    400,558.98/552,832.11 = 228,476.10/x
  3. Step 3: Cross multiply
    400,558.98x = 552,832.11 × 228,476.10
  4. Step 4: Simplify right side
    400,558.98x = 126,308,924,447.57
  5. Step 5: Solve for x
    x = 126,308,924,447.57/400,558.98
  6. Step 6: Final answer
    x = 315,331.65

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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.