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Finding the Fourth Proportional to 333,090.80, 499,490.40 and 133,344.80

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Solution

The fourth proportional to 333,090.80, 499,490.40 and 133,344.80 is: 199,958.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,090.80 : 499,490.40 = 133,344.80 : x
  2. Step 2: Convert to fraction form
    333,090.80/499,490.40 = 133,344.80/x
  3. Step 3: Cross multiply
    333,090.80x = 499,490.40 × 133,344.80
  4. Step 4: Simplify right side
    333,090.80x = 66,604,447,489.92
  5. Step 5: Solve for x
    x = 66,604,447,489.92/333,090.80
  6. Step 6: Final answer
    x = 199,958.83

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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.