Home / 311,939.08-467,971.80-101,520.52

Finding the Fourth Proportional to 311,939.08, 467,971.80 and 101,520.52

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Solution

The fourth proportional to 311,939.08, 467,971.80 and 101,520.52 is: 152,301.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,939.08 : 467,971.80 = 101,520.52 : x
  2. Step 2: Convert to fraction form
    311,939.08/467,971.80 = 101,520.52/x
  3. Step 3: Cross multiply
    311,939.08x = 467,971.80 × 101,520.52
  4. Step 4: Simplify right side
    311,939.08x = 47,508,740,481.34
  5. Step 5: Solve for x
    x = 47,508,740,481.34/311,939.08
  6. Step 6: Final answer
    x = 152,301.34

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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.