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Finding the Fourth Proportional to 265,464, 398,205.96 and 73,357.92

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Solution

The fourth proportional to 265,464, 398,205.96 and 73,357.92 is: 110,039.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,464 : 398,205.96 = 73,357.92 : x
  2. Step 2: Convert to fraction form
    265,464/398,205.96 = 73,357.92/x
  3. Step 3: Cross multiply
    265,464x = 398,205.96 × 73,357.92
  4. Step 4: Simplify right side
    265,464x = 29,211,560,957.20
  5. Step 5: Solve for x
    x = 29,211,560,957.20/265,464
  6. Step 6: Final answer
    x = 110,039.63

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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.