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Finding the Fourth Proportional to 203,392, 305,088 and 63,150.63

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Solution

The fourth proportional to 203,392, 305,088 and 63,150.63 is: 94,725.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,392 : 305,088 = 63,150.63 : x
  2. Step 2: Convert to fraction form
    203,392/305,088 = 63,150.63/x
  3. Step 3: Cross multiply
    203,392x = 305,088 × 63,150.63
  4. Step 4: Simplify right side
    203,392x = 19,266,499,405.44
  5. Step 5: Solve for x
    x = 19,266,499,405.44/203,392
  6. Step 6: Final answer
    x = 94,725.95

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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.