Home / 695,136.50-1,042,817.25-215,251.52

Finding the Fourth Proportional to 695,136.50, 1,042,817.25 and 215,251.52

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Solution

The fourth proportional to 695,136.50, 1,042,817.25 and 215,251.52 is: 322,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,136.50 : 1,042,817.25 = 215,251.52 : x
  2. Step 2: Convert to fraction form
    695,136.50/1,042,817.25 = 215,251.52/x
  3. Step 3: Cross multiply
    695,136.50x = 1,042,817.25 × 215,251.52
  4. Step 4: Simplify right side
    695,136.50x = 224,467,992,930.63
  5. Step 5: Solve for x
    x = 224,467,992,930.63/695,136.50
  6. Step 6: Final answer
    x = 322,912.11

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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.