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Finding the Fourth Proportional to 333,094.40, 499,636.97 and 80,372.78

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Solution

The fourth proportional to 333,094.40, 499,636.97 and 80,372.78 is: 120,558.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,094.40 : 499,636.97 = 80,372.78 : x
  2. Step 2: Convert to fraction form
    333,094.40/499,636.97 = 80,372.78/x
  3. Step 3: Cross multiply
    333,094.40x = 499,636.97 × 80,372.78
  4. Step 4: Simplify right side
    333,094.40x = 40,157,209,369.63
  5. Step 5: Solve for x
    x = 40,157,209,369.63/333,094.40
  6. Step 6: Final answer
    x = 120,558.05

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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.