Home / 455,845.80-683,768.70-156,286.20

Finding the Fourth Proportional to 455,845.80, 683,768.70 and 156,286.20

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Solution

The fourth proportional to 455,845.80, 683,768.70 and 156,286.20 is: 234,429.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,845.80 : 683,768.70 = 156,286.20 : x
  2. Step 2: Convert to fraction form
    455,845.80/683,768.70 = 156,286.20/x
  3. Step 3: Cross multiply
    455,845.80x = 683,768.70 × 156,286.20
  4. Step 4: Simplify right side
    455,845.80x = 106,863,611,801.94
  5. Step 5: Solve for x
    x = 106,863,611,801.94/455,845.80
  6. Step 6: Final answer
    x = 234,429.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.