Home / 215,610.30-323,415.45-163,122.30

Finding the Fourth Proportional to 215,610.30, 323,415.45 and 163,122.30

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Solution

The fourth proportional to 215,610.30, 323,415.45 and 163,122.30 is: 244,683.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,610.30 : 323,415.45 = 163,122.30 : x
  2. Step 2: Convert to fraction form
    215,610.30/323,415.45 = 163,122.30/x
  3. Step 3: Cross multiply
    215,610.30x = 323,415.45 × 163,122.30
  4. Step 4: Simplify right side
    215,610.30x = 52,756,272,059.54
  5. Step 5: Solve for x
    x = 52,756,272,059.54/215,610.30
  6. Step 6: Final answer
    x = 244,683.45

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1.5x scale

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.