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Finding the Fourth Proportional to 379,564.88, 523,733.66 and 234,451.96

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Solution

The fourth proportional to 379,564.88, 523,733.66 and 234,451.96 is: 323,503.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,564.88 : 523,733.66 = 234,451.96 : x
  2. Step 2: Convert to fraction form
    379,564.88/523,733.66 = 234,451.96/x
  3. Step 3: Cross multiply
    379,564.88x = 523,733.66 × 234,451.96
  4. Step 4: Simplify right side
    379,564.88x = 122,790,380,486.31
  5. Step 5: Solve for x
    x = 122,790,380,486.31/379,564.88
  6. Step 6: Final answer
    x = 323,503.01

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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.