Home / 434,087.08-651,287.22-231,470.08

Finding the Fourth Proportional to 434,087.08, 651,287.22 and 231,470.08

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Solution

The fourth proportional to 434,087.08, 651,287.22 and 231,470.08 is: 347,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,087.08 : 651,287.22 = 231,470.08 : x
  2. Step 2: Convert to fraction form
    434,087.08/651,287.22 = 231,470.08/x
  3. Step 3: Cross multiply
    434,087.08x = 651,287.22 × 231,470.08
  4. Step 4: Simplify right side
    434,087.08x = 150,753,504,916.38
  5. Step 5: Solve for x
    x = 150,753,504,916.38/434,087.08
  6. Step 6: Final answer
    x = 347,288.62

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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.