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Finding the Fourth Proportional to 322,479.47, 483,777.41 and 132,836.33

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Solution

The fourth proportional to 322,479.47, 483,777.41 and 132,836.33 is: 199,278.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,479.47 : 483,777.41 = 132,836.33 : x
  2. Step 2: Convert to fraction form
    322,479.47/483,777.41 = 132,836.33/x
  3. Step 3: Cross multiply
    322,479.47x = 483,777.41 × 132,836.33
  4. Step 4: Simplify right side
    322,479.47x = 64,263,212,598.24
  5. Step 5: Solve for x
    x = 64,263,212,598.24/322,479.47
  6. Step 6: Final answer
    x = 199,278.46

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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.