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Finding the Fourth Proportional to 263,719.84, 395,574.29 and 64,041.27

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Solution

The fourth proportional to 263,719.84, 395,574.29 and 64,041.27 is: 96,060.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,719.84 : 395,574.29 = 64,041.27 : x
  2. Step 2: Convert to fraction form
    263,719.84/395,574.29 = 64,041.27/x
  3. Step 3: Cross multiply
    263,719.84x = 395,574.29 × 64,041.27
  4. Step 4: Simplify right side
    263,719.84x = 25,333,079,910.95
  5. Step 5: Solve for x
    x = 25,333,079,910.95/263,719.84
  6. Step 6: Final answer
    x = 96,060.58

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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.