Home / 215,670.20-323,514.90-73,513.40

Finding the Fourth Proportional to 215,670.20, 323,514.90 and 73,513.40

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Solution

The fourth proportional to 215,670.20, 323,514.90 and 73,513.40 is: 110,273.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,670.20 : 323,514.90 = 73,513.40 : x
  2. Step 2: Convert to fraction form
    215,670.20/323,514.90 = 73,513.40/x
  3. Step 3: Cross multiply
    215,670.20x = 323,514.90 × 73,513.40
  4. Step 4: Simplify right side
    215,670.20x = 23,782,680,249.66
  5. Step 5: Solve for x
    x = 23,782,680,249.66/215,670.20
  6. Step 6: Final answer
    x = 110,273.37

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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.