Home / 248,736.69-343,311.89-158,074.88

Finding the Fourth Proportional to 248,736.69, 343,311.89 and 158,074.88

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Solution

The fourth proportional to 248,736.69, 343,311.89 and 158,074.88 is: 218,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,736.69 : 343,311.89 = 158,074.88 : x
  2. Step 2: Convert to fraction form
    248,736.69/343,311.89 = 158,074.88/x
  3. Step 3: Cross multiply
    248,736.69x = 343,311.89 × 158,074.88
  4. Step 4: Simplify right side
    248,736.69x = 54,268,983,307.39
  5. Step 5: Solve for x
    x = 54,268,983,307.39/248,736.69
  6. Step 6: Final answer
    x = 218,178.44

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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.