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Finding the Fourth Proportional to 250,000.44, 375,039.61 and 81,481.66

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Solution

The fourth proportional to 250,000.44, 375,039.61 and 81,481.66 is: 122,235.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,000.44 : 375,039.61 = 81,481.66 : x
  2. Step 2: Convert to fraction form
    250,000.44/375,039.61 = 81,481.66/x
  3. Step 3: Cross multiply
    250,000.44x = 375,039.61 × 81,481.66
  4. Step 4: Simplify right side
    250,000.44x = 30,558,849,988.55
  5. Step 5: Solve for x
    x = 30,558,849,988.55/250,000.44
  6. Step 6: Final answer
    x = 122,235.18

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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.