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Finding the Fourth Proportional to 333,083.08, 499,619.98 and 80,361.45

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Solution

The fourth proportional to 333,083.08, 499,619.98 and 80,361.45 is: 120,541.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,083.08 : 499,619.98 = 80,361.45 : x
  2. Step 2: Convert to fraction form
    333,083.08/499,619.98 = 80,361.45/x
  3. Step 3: Cross multiply
    333,083.08x = 499,619.98 × 80,361.45
  4. Step 4: Simplify right side
    333,083.08x = 40,150,183,141.86
  5. Step 5: Solve for x
    x = 40,150,183,141.86/333,083.08
  6. Step 6: Final answer
    x = 120,541.05

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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.