Home / 248,636.72-343,112.04-141,211.28

Finding the Fourth Proportional to 248,636.72, 343,112.04 and 141,211.28

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Solution

The fourth proportional to 248,636.72, 343,112.04 and 141,211.28 is: 194,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,636.72 : 343,112.04 = 141,211.28 : x
  2. Step 2: Convert to fraction form
    248,636.72/343,112.04 = 141,211.28/x
  3. Step 3: Cross multiply
    248,636.72x = 343,112.04 × 141,211.28
  4. Step 4: Simplify right side
    248,636.72x = 48,451,290,351.81
  5. Step 5: Solve for x
    x = 48,451,290,351.81/248,636.72
  6. Step 6: Final answer
    x = 194,867.80

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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.