Home / 263,799.52-395,747.88-86,316.48

Finding the Fourth Proportional to 263,799.52, 395,747.88 and 86,316.48

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Solution

The fourth proportional to 263,799.52, 395,747.88 and 86,316.48 is: 129,490.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,799.52 : 395,747.88 = 86,316.48 : x
  2. Step 2: Convert to fraction form
    263,799.52/395,747.88 = 86,316.48/x
  3. Step 3: Cross multiply
    263,799.52x = 395,747.88 × 86,316.48
  4. Step 4: Simplify right side
    263,799.52x = 34,159,563,969.06
  5. Step 5: Solve for x
    x = 34,159,563,969.06/263,799.52
  6. Step 6: Final answer
    x = 129,490.62

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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.