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Finding the Fourth Proportional to 333,003.40, 498,520.95 and 220,810.30

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Solution

The fourth proportional to 333,003.40, 498,520.95 and 220,810.30 is: 330,562.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,003.40 : 498,520.95 = 220,810.30 : x
  2. Step 2: Convert to fraction form
    333,003.40/498,520.95 = 220,810.30/x
  3. Step 3: Cross multiply
    333,003.40x = 498,520.95 × 220,810.30
  4. Step 4: Simplify right side
    333,003.40x = 110,078,560,525.79
  5. Step 5: Solve for x
    x = 110,078,560,525.79/333,003.40
  6. Step 6: Final answer
    x = 330,562.87

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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.