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Finding the Fourth Proportional to 324,754.95, 487,188.33 and 111,512.73

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Solution

The fourth proportional to 324,754.95, 487,188.33 and 111,512.73 is: 167,288.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,754.95 : 487,188.33 = 111,512.73 : x
  2. Step 2: Convert to fraction form
    324,754.95/487,188.33 = 111,512.73/x
  3. Step 3: Cross multiply
    324,754.95x = 487,188.33 × 111,512.73
  4. Step 4: Simplify right side
    324,754.95x = 54,327,700,702.44
  5. Step 5: Solve for x
    x = 54,327,700,702.44/324,754.95
  6. Step 6: Final answer
    x = 167,288.29

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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.