Home / 215,822.40-323,733.60-193,077.60

Finding the Fourth Proportional to 215,822.40, 323,733.60 and 193,077.60

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Solution

The fourth proportional to 215,822.40, 323,733.60 and 193,077.60 is: 289,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,822.40 : 323,733.60 = 193,077.60 : x
  2. Step 2: Convert to fraction form
    215,822.40/323,733.60 = 193,077.60/x
  3. Step 3: Cross multiply
    215,822.40x = 323,733.60 × 193,077.60
  4. Step 4: Simplify right side
    215,822.40x = 62,505,706,527.36
  5. Step 5: Solve for x
    x = 62,505,706,527.36/215,822.40
  6. Step 6: Final answer
    x = 289,616.40

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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.