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Finding the Fourth Proportional to 264,332.25, 364,778.87 and 143,473.56

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Solution

The fourth proportional to 264,332.25, 364,778.87 and 143,473.56 is: 197,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,332.25 : 364,778.87 = 143,473.56 : x
  2. Step 2: Convert to fraction form
    264,332.25/364,778.87 = 143,473.56/x
  3. Step 3: Cross multiply
    264,332.25x = 364,778.87 × 143,473.56
  4. Step 4: Simplify right side
    264,332.25x = 52,336,123,146.29
  5. Step 5: Solve for x
    x = 52,336,123,146.29/264,332.25
  6. Step 6: Final answer
    x = 197,993.71

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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.