Home / 338,663.28-467,309.10-202,665.60

Finding the Fourth Proportional to 338,663.28, 467,309.10 and 202,665.60

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Solution

The fourth proportional to 338,663.28, 467,309.10 and 202,665.60 is: 279,650.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,663.28 : 467,309.10 = 202,665.60 : x
  2. Step 2: Convert to fraction form
    338,663.28/467,309.10 = 202,665.60/x
  3. Step 3: Cross multiply
    338,663.28x = 467,309.10 × 202,665.60
  4. Step 4: Simplify right side
    338,663.28x = 94,707,479,136.96
  5. Step 5: Solve for x
    x = 94,707,479,136.96/338,663.28
  6. Step 6: Final answer
    x = 279,650.86

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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.