Home / 321,942.39-444,280.17-178,702.14

Finding the Fourth Proportional to 321,942.39, 444,280.17 and 178,702.14

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Solution

The fourth proportional to 321,942.39, 444,280.17 and 178,702.14 is: 246,608.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,942.39 : 444,280.17 = 178,702.14 : x
  2. Step 2: Convert to fraction form
    321,942.39/444,280.17 = 178,702.14/x
  3. Step 3: Cross multiply
    321,942.39x = 444,280.17 × 178,702.14
  4. Step 4: Simplify right side
    321,942.39x = 79,393,817,138.56
  5. Step 5: Solve for x
    x = 79,393,817,138.56/321,942.39
  6. Step 6: Final answer
    x = 246,608.77

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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.