Home / 248,714.88-343,225.40-135,537.60

Finding the Fourth Proportional to 248,714.88, 343,225.40 and 135,537.60

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Solution

The fourth proportional to 248,714.88, 343,225.40 and 135,537.60 is: 187,041.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,714.88 : 343,225.40 = 135,537.60 : x
  2. Step 2: Convert to fraction form
    248,714.88/343,225.40 = 135,537.60/x
  3. Step 3: Cross multiply
    248,714.88x = 343,225.40 × 135,537.60
  4. Step 4: Simplify right side
    248,714.88x = 46,519,946,975.04
  5. Step 5: Solve for x
    x = 46,519,946,975.04/248,714.88
  6. Step 6: Final answer
    x = 187,041.27

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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.