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Finding the Fourth Proportional to 323,633.68, 446,629.60 and 180,394.76

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Solution

The fourth proportional to 323,633.68, 446,629.60 and 180,394.76 is: 248,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,633.68 : 446,629.60 = 180,394.76 : x
  2. Step 2: Convert to fraction form
    323,633.68/446,629.60 = 180,394.76/x
  3. Step 3: Cross multiply
    323,633.68x = 446,629.60 × 180,394.76
  4. Step 4: Simplify right side
    323,633.68x = 80,569,639,500.90
  5. Step 5: Solve for x
    x = 80,569,639,500.90/323,633.68
  6. Step 6: Final answer
    x = 248,953.20

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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.