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Finding the Fourth Proportional to 337,338.30, 465,481.89 and 216,643.11

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Solution

The fourth proportional to 337,338.30, 465,481.89 and 216,643.11 is: 298,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,338.30 : 465,481.89 = 216,643.11 : x
  2. Step 2: Convert to fraction form
    337,338.30/465,481.89 = 216,643.11/x
  3. Step 3: Cross multiply
    337,338.30x = 465,481.89 × 216,643.11
  4. Step 4: Simplify right side
    337,338.30x = 100,843,444,298.28
  5. Step 5: Solve for x
    x = 100,843,444,298.28/337,338.30
  6. Step 6: Final answer
    x = 298,938.62

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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.