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Finding the Fourth Proportional to 333,394.77, 499,586.99 and 220,671.15

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Solution

The fourth proportional to 333,394.77, 499,586.99 and 220,671.15 is: 330,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,394.77 : 499,586.99 = 220,671.15 : x
  2. Step 2: Convert to fraction form
    333,394.77/499,586.99 = 220,671.15/x
  3. Step 3: Cross multiply
    333,394.77x = 499,586.99 × 220,671.15
  4. Step 4: Simplify right side
    333,394.77x = 110,244,434,504.98
  5. Step 5: Solve for x
    x = 110,244,434,504.98/333,394.77
  6. Step 6: Final answer
    x = 330,672.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.