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Finding the Fourth Proportional to 335,228.63, 503,158.95 and 122,202.43

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Solution

The fourth proportional to 335,228.63, 503,158.95 and 122,202.43 is: 183,418.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,228.63 : 503,158.95 = 122,202.43 : x
  2. Step 2: Convert to fraction form
    335,228.63/503,158.95 = 122,202.43/x
  3. Step 3: Cross multiply
    335,228.63x = 503,158.95 × 122,202.43
  4. Step 4: Simplify right side
    335,228.63x = 61,487,245,108.35
  5. Step 5: Solve for x
    x = 61,487,245,108.35/335,228.63
  6. Step 6: Final answer
    x = 183,418.84

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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.