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Finding the Fourth Proportional to 239,369.46, 330,325.91 and 131,949.49

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Solution

The fourth proportional to 239,369.46, 330,325.91 and 131,949.49 is: 182,088.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,369.46 : 330,325.91 = 131,949.49 : x
  2. Step 2: Convert to fraction form
    239,369.46/330,325.91 = 131,949.49/x
  3. Step 3: Cross multiply
    239,369.46x = 330,325.91 × 131,949.49
  4. Step 4: Simplify right side
    239,369.46x = 43,586,333,046.91
  5. Step 5: Solve for x
    x = 43,586,333,046.91/239,369.46
  6. Step 6: Final answer
    x = 182,088.11

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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.