Home / 248,756.57-343,284.18-141,326.78

Finding the Fourth Proportional to 248,756.57, 343,284.18 and 141,326.78

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Solution

The fourth proportional to 248,756.57, 343,284.18 and 141,326.78 is: 195,031.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,756.57 : 343,284.18 = 141,326.78 : x
  2. Step 2: Convert to fraction form
    248,756.57/343,284.18 = 141,326.78/x
  3. Step 3: Cross multiply
    248,756.57x = 343,284.18 × 141,326.78
  4. Step 4: Simplify right side
    248,756.57x = 48,515,245,537.94
  5. Step 5: Solve for x
    x = 48,515,245,537.94/248,756.57
  6. Step 6: Final answer
    x = 195,031.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.