Home / 263,657.07-395,317.98-223,689.87

Finding the Fourth Proportional to 263,657.07, 395,317.98 and 223,689.87

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Solution

The fourth proportional to 263,657.07, 395,317.98 and 223,689.87 is: 335,392.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,657.07 : 395,317.98 = 223,689.87 : x
  2. Step 2: Convert to fraction form
    263,657.07/395,317.98 = 223,689.87/x
  3. Step 3: Cross multiply
    263,657.07x = 395,317.98 × 223,689.87
  4. Step 4: Simplify right side
    263,657.07x = 88,428,627,554.86
  5. Step 5: Solve for x
    x = 88,428,627,554.86/263,657.07
  6. Step 6: Final answer
    x = 335,392.59

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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.