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Finding the Fourth Proportional to 264,333.25, 364,780.25 and 143,474.56

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Solution

The fourth proportional to 264,333.25, 364,780.25 and 143,474.56 is: 197,995.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,333.25 : 364,780.25 = 143,474.56 : x
  2. Step 2: Convert to fraction form
    264,333.25/364,780.25 = 143,474.56/x
  3. Step 3: Cross multiply
    264,333.25x = 364,780.25 × 143,474.56
  4. Step 4: Simplify right side
    264,333.25x = 52,336,685,865.44
  5. Step 5: Solve for x
    x = 52,336,685,865.44/264,333.25
  6. Step 6: Final answer
    x = 197,995.09

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1.5x scale

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.