Home / 420,836.48-580,754.33-229,850.32

Finding the Fourth Proportional to 420,836.48, 580,754.33 and 229,850.32

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Solution

The fourth proportional to 420,836.48, 580,754.33 and 229,850.32 is: 317,193.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,836.48 : 580,754.33 = 229,850.32 : x
  2. Step 2: Convert to fraction form
    420,836.48/580,754.33 = 229,850.32/x
  3. Step 3: Cross multiply
    420,836.48x = 580,754.33 × 229,850.32
  4. Step 4: Simplify right side
    420,836.48x = 133,486,564,538.86
  5. Step 5: Solve for x
    x = 133,486,564,538.86/420,836.48
  6. Step 6: Final answer
    x = 317,193.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.