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Finding the Fourth Proportional to 335,229.63, 503,160.45 and 122,203.43

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Solution

The fourth proportional to 335,229.63, 503,160.45 and 122,203.43 is: 183,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,229.63 : 503,160.45 = 122,203.43 : x
  2. Step 2: Convert to fraction form
    335,229.63/503,160.45 = 122,203.43/x
  3. Step 3: Cross multiply
    335,229.63x = 503,160.45 × 122,203.43
  4. Step 4: Simplify right side
    335,229.63x = 61,487,932,830.34
  5. Step 5: Solve for x
    x = 61,487,932,830.34/335,229.63
  6. Step 6: Final answer
    x = 183,420.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.