Home / 248,947.96-343,450.38-153,288.76

Finding the Fourth Proportional to 248,947.96, 343,450.38 and 153,288.76

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Solution

The fourth proportional to 248,947.96, 343,450.38 and 153,288.76 is: 211,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,947.96 : 343,450.38 = 153,288.76 : x
  2. Step 2: Convert to fraction form
    248,947.96/343,450.38 = 153,288.76/x
  3. Step 3: Cross multiply
    248,947.96x = 343,450.38 × 153,288.76
  4. Step 4: Simplify right side
    248,947.96x = 52,647,082,871.73
  5. Step 5: Solve for x
    x = 52,647,082,871.73/248,947.96
  6. Step 6: Final answer
    x = 211,478.27

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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.