Home / 215,596.65-323,370.30-57,812.85

Finding the Fourth Proportional to 215,596.65, 323,370.30 and 57,812.85

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Solution

The fourth proportional to 215,596.65, 323,370.30 and 57,812.85 is: 86,712.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,596.65 : 323,370.30 = 57,812.85 : x
  2. Step 2: Convert to fraction form
    215,596.65/323,370.30 = 57,812.85/x
  3. Step 3: Cross multiply
    215,596.65x = 323,370.30 × 57,812.85
  4. Step 4: Simplify right side
    215,596.65x = 18,694,958,648.36
  5. Step 5: Solve for x
    x = 18,694,958,648.36/215,596.65
  6. Step 6: Final answer
    x = 86,712.66

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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.