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Finding the Fourth Proportional to 364,698.82, 503,309.73 and 203,585.32

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Solution

The fourth proportional to 364,698.82, 503,309.73 and 203,585.32 is: 280,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,698.82 : 503,309.73 = 203,585.32 : x
  2. Step 2: Convert to fraction form
    364,698.82/503,309.73 = 203,585.32/x
  3. Step 3: Cross multiply
    364,698.82x = 503,309.73 × 203,585.32
  4. Step 4: Simplify right side
    364,698.82x = 102,466,472,441.16
  5. Step 5: Solve for x
    x = 102,466,472,441.16/364,698.82
  6. Step 6: Final answer
    x = 280,961.90

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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.