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Finding the Fourth Proportional to 864,168.66, 1,296,216.07 and 295,600.60

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Solution

The fourth proportional to 864,168.66, 1,296,216.07 and 295,600.60 is: 443,388.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,168.66 : 1,296,216.07 = 295,600.60 : x
  2. Step 2: Convert to fraction form
    864,168.66/1,296,216.07 = 295,600.60/x
  3. Step 3: Cross multiply
    864,168.66x = 1,296,216.07 × 295,600.60
  4. Step 4: Simplify right side
    864,168.66x = 383,162,250,725.71
  5. Step 5: Solve for x
    x = 383,162,250,725.71/864,168.66
  6. Step 6: Final answer
    x = 443,388.27

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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.