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Finding the Fourth Proportional to 303,773.83, 455,659.08 and 123,858.55

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Solution

The fourth proportional to 303,773.83, 455,659.08 and 123,858.55 is: 185,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,773.83 : 455,659.08 = 123,858.55 : x
  2. Step 2: Convert to fraction form
    303,773.83/455,659.08 = 123,858.55/x
  3. Step 3: Cross multiply
    303,773.83x = 455,659.08 × 123,858.55
  4. Step 4: Simplify right side
    303,773.83x = 56,437,270,664.84
  5. Step 5: Solve for x
    x = 56,437,270,664.84/303,773.83
  6. Step 6: Final answer
    x = 185,787.14

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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.