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Finding the Fourth Proportional to 483,511.75, 725,096.00 and 141,859.82

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Solution

The fourth proportional to 483,511.75, 725,096.00 and 141,859.82 is: 212,739.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,511.75 : 725,096.00 = 141,859.82 : x
  2. Step 2: Convert to fraction form
    483,511.75/725,096.00 = 141,859.82/x
  3. Step 3: Cross multiply
    483,511.75x = 725,096.00 × 141,859.82
  4. Step 4: Simplify right side
    483,511.75x = 102,861,990,210.11
  5. Step 5: Solve for x
    x = 102,861,990,210.11/483,511.75
  6. Step 6: Final answer
    x = 212,739.38

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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.