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Finding the Fourth Proportional to 330,773.67, 456,556.89 and 216,049.88

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Solution

The fourth proportional to 330,773.67, 456,556.89 and 216,049.88 is: 298,207.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,773.67 : 456,556.89 = 216,049.88 : x
  2. Step 2: Convert to fraction form
    330,773.67/456,556.89 = 216,049.88/x
  3. Step 3: Cross multiply
    330,773.67x = 456,556.89 × 216,049.88
  4. Step 4: Simplify right side
    330,773.67x = 98,639,059,014.89
  5. Step 5: Solve for x
    x = 98,639,059,014.89/330,773.67
  6. Step 6: Final answer
    x = 298,207.11

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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.