Home / 323,984.30-485,582.45-229,241.79

Finding the Fourth Proportional to 323,984.30, 485,582.45 and 229,241.79

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Solution

The fourth proportional to 323,984.30, 485,582.45 and 229,241.79 is: 343,583.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,984.30 : 485,582.45 = 229,241.79 : x
  2. Step 2: Convert to fraction form
    323,984.30/485,582.45 = 229,241.79/x
  3. Step 3: Cross multiply
    323,984.30x = 485,582.45 × 229,241.79
  4. Step 4: Simplify right side
    323,984.30x = 111,315,787,602.67
  5. Step 5: Solve for x
    x = 111,315,787,602.67/323,984.30
  6. Step 6: Final answer
    x = 343,583.89

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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.