Home / 420,835.22-580,752.60-229,849.07

Finding the Fourth Proportional to 420,835.22, 580,752.60 and 229,849.07

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Solution

The fourth proportional to 420,835.22, 580,752.60 and 229,849.07 is: 317,191.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,835.22 : 580,752.60 = 229,849.07 : x
  2. Step 2: Convert to fraction form
    420,835.22/580,752.60 = 229,849.07/x
  3. Step 3: Cross multiply
    420,835.22x = 580,752.60 × 229,849.07
  4. Step 4: Simplify right side
    420,835.22x = 133,485,442,537.29
  5. Step 5: Solve for x
    x = 133,485,442,537.29/420,835.22
  6. Step 6: Final answer
    x = 317,191.71

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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.