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Finding the Fourth Proportional to 339,611.29, 468,708.04 and 219,103.15

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Solution

The fourth proportional to 339,611.29, 468,708.04 and 219,103.15 is: 302,391.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,611.29 : 468,708.04 = 219,103.15 : x
  2. Step 2: Convert to fraction form
    339,611.29/468,708.04 = 219,103.15/x
  3. Step 3: Cross multiply
    339,611.29x = 468,708.04 × 219,103.15
  4. Step 4: Simplify right side
    339,611.29x = 102,695,409,909.73
  5. Step 5: Solve for x
    x = 102,695,409,909.73/339,611.29
  6. Step 6: Final answer
    x = 302,391.03

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1.5x scale

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.