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Finding the Fourth Proportional to 333,010.80, 499,516.20 and 220,817.70

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Solution

The fourth proportional to 333,010.80, 499,516.20 and 220,817.70 is: 331,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,010.80 : 499,516.20 = 220,817.70 : x
  2. Step 2: Convert to fraction form
    333,010.80/499,516.20 = 220,817.70/x
  3. Step 3: Cross multiply
    333,010.80x = 499,516.20 × 220,817.70
  4. Step 4: Simplify right side
    333,010.80x = 110,302,018,396.74
  5. Step 5: Solve for x
    x = 110,302,018,396.74/333,010.80
  6. Step 6: Final answer
    x = 331,226.55

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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.