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Finding the Fourth Proportional to 333,752.60, 500,632.06 and 81,035.34

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Solution

The fourth proportional to 333,752.60, 500,632.06 and 81,035.34 is: 121,553.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,752.60 : 500,632.06 = 81,035.34 : x
  2. Step 2: Convert to fraction form
    333,752.60/500,632.06 = 81,035.34/x
  3. Step 3: Cross multiply
    333,752.60x = 500,632.06 × 81,035.34
  4. Step 4: Simplify right side
    333,752.60x = 40,568,889,197.00
  5. Step 5: Solve for x
    x = 40,568,889,197.00/333,752.60
  6. Step 6: Final answer
    x = 121,553.78

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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.