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Finding the Fourth Proportional to 323,729.74, 446,588.28 and 216,326.20

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Solution

The fourth proportional to 323,729.74, 446,588.28 and 216,326.20 is: 298,424.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,729.74 : 446,588.28 = 216,326.20 : x
  2. Step 2: Convert to fraction form
    323,729.74/446,588.28 = 216,326.20/x
  3. Step 3: Cross multiply
    323,729.74x = 446,588.28 × 216,326.20
  4. Step 4: Simplify right side
    323,729.74x = 96,608,745,576.94
  5. Step 5: Solve for x
    x = 96,608,745,576.94/323,729.74
  6. Step 6: Final answer
    x = 298,424.07

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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.