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Finding the Fourth Proportional to 433,342.64, 649,481.57 and 243,403.73

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Solution

The fourth proportional to 433,342.64, 649,481.57 and 243,403.73 is: 364,806.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,342.64 : 649,481.57 = 243,403.73 : x
  2. Step 2: Convert to fraction form
    433,342.64/649,481.57 = 243,403.73/x
  3. Step 3: Cross multiply
    433,342.64x = 649,481.57 × 243,403.73
  4. Step 4: Simplify right side
    433,342.64x = 158,086,240,610.63
  5. Step 5: Solve for x
    x = 158,086,240,610.63/433,342.64
  6. Step 6: Final answer
    x = 364,806.56

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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.