Home / 328,542.20-492,035.70-222,788.60

Finding the Fourth Proportional to 328,542.20, 492,035.70 and 222,788.60

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Solution

The fourth proportional to 328,542.20, 492,035.70 and 222,788.60 is: 333,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,542.20 : 492,035.70 = 222,788.60 : x
  2. Step 2: Convert to fraction form
    328,542.20/492,035.70 = 222,788.60/x
  3. Step 3: Cross multiply
    328,542.20x = 492,035.70 × 222,788.60
  4. Step 4: Simplify right side
    328,542.20x = 109,619,944,753.02
  5. Step 5: Solve for x
    x = 109,619,944,753.02/328,542.20
  6. Step 6: Final answer
    x = 333,655.60

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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.