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Finding the Fourth Proportional to 214,234.94, 321,388.86 and 73,960.76

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Solution

The fourth proportional to 214,234.94, 321,388.86 and 73,960.76 is: 110,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,234.94 : 321,388.86 = 73,960.76 : x
  2. Step 2: Convert to fraction form
    214,234.94/321,388.86 = 73,960.76/x
  3. Step 3: Cross multiply
    214,234.94x = 321,388.86 × 73,960.76
  4. Step 4: Simplify right side
    214,234.94x = 23,770,164,341.13
  5. Step 5: Solve for x
    x = 23,770,164,341.13/214,234.94
  6. Step 6: Final answer
    x = 110,953.72

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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.