Home / 248,780.20-343,316.78-141,350.37

Finding the Fourth Proportional to 248,780.20, 343,316.78 and 141,350.37

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Solution

The fourth proportional to 248,780.20, 343,316.78 and 141,350.37 is: 195,063.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,780.20 : 343,316.78 = 141,350.37 : x
  2. Step 2: Convert to fraction form
    248,780.20/343,316.78 = 141,350.37/x
  3. Step 3: Cross multiply
    248,780.20x = 343,316.78 × 141,350.37
  4. Step 4: Simplify right side
    248,780.20x = 48,527,953,880.21
  5. Step 5: Solve for x
    x = 48,527,953,880.21/248,780.20
  6. Step 6: Final answer
    x = 195,063.57

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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.