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Finding the Fourth Proportional to 303,735.27, 455,596.75 and 79,090.73

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Solution

The fourth proportional to 303,735.27, 455,596.75 and 79,090.73 is: 118,634.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,735.27 : 455,596.75 = 79,090.73 : x
  2. Step 2: Convert to fraction form
    303,735.27/455,596.75 = 79,090.73/x
  3. Step 3: Cross multiply
    303,735.27x = 455,596.75 × 79,090.73
  4. Step 4: Simplify right side
    303,735.27x = 36,033,479,072.50
  5. Step 5: Solve for x
    x = 36,033,479,072.50/303,735.27
  6. Step 6: Final answer
    x = 118,634.49

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1.5x scale

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.