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Finding the Fourth Proportional to 239,379.35, 330,358.29 and 131,949.14

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Solution

The fourth proportional to 239,379.35, 330,358.29 and 131,949.14 is: 182,097.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,379.35 : 330,358.29 = 131,949.14 : x
  2. Step 2: Convert to fraction form
    239,379.35/330,358.29 = 131,949.14/x
  3. Step 3: Cross multiply
    239,379.35x = 330,358.29 × 131,949.14
  4. Step 4: Simplify right side
    239,379.35x = 43,590,492,588.46
  5. Step 5: Solve for x
    x = 43,590,492,588.46/239,379.35
  6. Step 6: Final answer
    x = 182,097.96

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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.