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Finding the Fourth Proportional to 229,394.67, 344,095.47 and 79,639.73

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Solution

The fourth proportional to 229,394.67, 344,095.47 and 79,639.73 is: 119,460.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,394.67 : 344,095.47 = 79,639.73 : x
  2. Step 2: Convert to fraction form
    229,394.67/344,095.47 = 79,639.73/x
  3. Step 3: Cross multiply
    229,394.67x = 344,095.47 × 79,639.73
  4. Step 4: Simplify right side
    229,394.67x = 27,403,668,604.55
  5. Step 5: Solve for x
    x = 27,403,668,604.55/229,394.67
  6. Step 6: Final answer
    x = 119,460.79

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1.5x scale

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.