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Finding the Fourth Proportional to 333,727.20, 499,813.20 and 227,973.60

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Solution

The fourth proportional to 333,727.20, 499,813.20 and 227,973.60 is: 341,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,727.20 : 499,813.20 = 227,973.60 : x
  2. Step 2: Convert to fraction form
    333,727.20/499,813.20 = 227,973.60/x
  3. Step 3: Cross multiply
    333,727.20x = 499,813.20 × 227,973.60
  4. Step 4: Simplify right side
    333,727.20x = 113,944,214,531.52
  5. Step 5: Solve for x
    x = 113,944,214,531.52/333,727.20
  6. Step 6: Final answer
    x = 341,429.21

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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.