Home / 215,743.65-323,620.09-55,823.04

Finding the Fourth Proportional to 215,743.65, 323,620.09 and 55,823.04

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Solution

The fourth proportional to 215,743.65, 323,620.09 and 55,823.04 is: 83,735.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,743.65 : 323,620.09 = 55,823.04 : x
  2. Step 2: Convert to fraction form
    215,743.65/323,620.09 = 55,823.04/x
  3. Step 3: Cross multiply
    215,743.65x = 323,620.09 × 55,823.04
  4. Step 4: Simplify right side
    215,743.65x = 18,065,457,228.87
  5. Step 5: Solve for x
    x = 18,065,457,228.87/215,743.65
  6. Step 6: Final answer
    x = 83,735.75

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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.