Home / 248,704.90-343,268.12-158,043.16

Finding the Fourth Proportional to 248,704.90, 343,268.12 and 158,043.16

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Solution

The fourth proportional to 248,704.90, 343,268.12 and 158,043.16 is: 218,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,704.90 : 343,268.12 = 158,043.16 : x
  2. Step 2: Convert to fraction form
    248,704.90/343,268.12 = 158,043.16/x
  3. Step 3: Cross multiply
    248,704.90x = 343,268.12 × 158,043.16
  4. Step 4: Simplify right side
    248,704.90x = 54,251,178,412.06
  5. Step 5: Solve for x
    x = 54,251,178,412.06/248,704.90
  6. Step 6: Final answer
    x = 218,134.74

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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.