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Finding the Fourth Proportional to 339,671.39, 468,736.38 and 194,472.35

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Solution

The fourth proportional to 339,671.39, 468,736.38 and 194,472.35 is: 268,366.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,671.39 : 468,736.38 = 194,472.35 : x
  2. Step 2: Convert to fraction form
    339,671.39/468,736.38 = 194,472.35/x
  3. Step 3: Cross multiply
    339,671.39x = 468,736.38 × 194,472.35
  4. Step 4: Simplify right side
    339,671.39x = 91,156,264,763.17
  5. Step 5: Solve for x
    x = 91,156,264,763.17/339,671.39
  6. Step 6: Final answer
    x = 268,366.04

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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.