Home / 399,639.27-599,442.42-222,033

Finding the Fourth Proportional to 399,639.27, 599,442.42 and 222,033

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Solution

The fourth proportional to 399,639.27, 599,442.42 and 222,033 is: 333,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,639.27 : 599,442.42 = 222,033 : x
  2. Step 2: Convert to fraction form
    399,639.27/599,442.42 = 222,033/x
  3. Step 3: Cross multiply
    399,639.27x = 599,442.42 × 222,033
  4. Step 4: Simplify right side
    399,639.27x = 133,095,998,839.86
  5. Step 5: Solve for x
    x = 133,095,998,839.86/399,639.27
  6. Step 6: Final answer
    x = 333,040.34

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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.