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Finding the Fourth Proportional to 364,808, 503,425.22 and 203,658.50

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Solution

The fourth proportional to 364,808, 503,425.22 and 203,658.50 is: 281,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,808 : 503,425.22 = 203,658.50 : x
  2. Step 2: Convert to fraction form
    364,808/503,425.22 = 203,658.50/x
  3. Step 3: Cross multiply
    364,808x = 503,425.22 × 203,658.50
  4. Step 4: Simplify right side
    364,808x = 102,526,825,167.37
  5. Step 5: Solve for x
    x = 102,526,825,167.37/364,808
  6. Step 6: Final answer
    x = 281,043.25

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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.