Home / 322,869.40-445,559.78-179,629.40

Finding the Fourth Proportional to 322,869.40, 445,559.78 and 179,629.40

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Solution

The fourth proportional to 322,869.40, 445,559.78 and 179,629.40 is: 247,888.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,869.40 : 445,559.78 = 179,629.40 : x
  2. Step 2: Convert to fraction form
    322,869.40/445,559.78 = 179,629.40/x
  3. Step 3: Cross multiply
    322,869.40x = 445,559.78 × 179,629.40
  4. Step 4: Simplify right side
    322,869.40x = 80,035,635,945.53
  5. Step 5: Solve for x
    x = 80,035,635,945.53/322,869.40
  6. Step 6: Final answer
    x = 247,888.58

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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.