Home / 215,723.08-323,584.63-65,963.35

Finding the Fourth Proportional to 215,723.08, 323,584.63 and 65,963.35

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Solution

The fourth proportional to 215,723.08, 323,584.63 and 65,963.35 is: 98,945.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,723.08 : 323,584.63 = 65,963.35 : x
  2. Step 2: Convert to fraction form
    215,723.08/323,584.63 = 65,963.35/x
  3. Step 3: Cross multiply
    215,723.08x = 323,584.63 × 65,963.35
  4. Step 4: Simplify right side
    215,723.08x = 21,344,726,203.31
  5. Step 5: Solve for x
    x = 21,344,726,203.31/215,723.08
  6. Step 6: Final answer
    x = 98,945.03

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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.