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Finding the Fourth Proportional to 263,888.08, 395,832.39 and 64,208.46

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Solution

The fourth proportional to 263,888.08, 395,832.39 and 64,208.46 is: 96,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,888.08 : 395,832.39 = 64,208.46 : x
  2. Step 2: Convert to fraction form
    263,888.08/395,832.39 = 64,208.46/x
  3. Step 3: Cross multiply
    263,888.08x = 395,832.39 × 64,208.46
  4. Step 4: Simplify right side
    263,888.08x = 25,415,788,180.02
  5. Step 5: Solve for x
    x = 25,415,788,180.02/263,888.08
  6. Step 6: Final answer
    x = 96,312.76

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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.