Home / 248,830.51-343,277.79-158,137.87

Finding the Fourth Proportional to 248,830.51, 343,277.79 and 158,137.87

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Solution

The fourth proportional to 248,830.51, 343,277.79 and 158,137.87 is: 218,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,830.51 : 343,277.79 = 158,137.87 : x
  2. Step 2: Convert to fraction form
    248,830.51/343,277.79 = 158,137.87/x
  3. Step 3: Cross multiply
    248,830.51x = 343,277.79 × 158,137.87
  4. Step 4: Simplify right side
    248,830.51x = 54,285,218,528.91
  5. Step 5: Solve for x
    x = 54,285,218,528.91/248,830.51
  6. Step 6: Final answer
    x = 218,161.42

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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.