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Finding the Fourth Proportional to 333,117.20, 499,092.60 and 273,630.80

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Solution

The fourth proportional to 333,117.20, 499,092.60 and 273,630.80 is: 409,967.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,117.20 : 499,092.60 = 273,630.80 : x
  2. Step 2: Convert to fraction form
    333,117.20/499,092.60 = 273,630.80/x
  3. Step 3: Cross multiply
    333,117.20x = 499,092.60 × 273,630.80
  4. Step 4: Simplify right side
    333,117.20x = 136,567,107,412.08
  5. Step 5: Solve for x
    x = 136,567,107,412.08/333,117.20
  6. Step 6: Final answer
    x = 409,967.14

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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.