Home / 248,743.31-343,266.90-141,319.25

Finding the Fourth Proportional to 248,743.31, 343,266.90 and 141,319.25

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Solution

The fourth proportional to 248,743.31, 343,266.90 and 141,319.25 is: 195,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,743.31 : 343,266.90 = 141,319.25 : x
  2. Step 2: Convert to fraction form
    248,743.31/343,266.90 = 141,319.25/x
  3. Step 3: Cross multiply
    248,743.31x = 343,266.90 × 141,319.25
  4. Step 4: Simplify right side
    248,743.31x = 48,510,219,141.49
  5. Step 5: Solve for x
    x = 48,510,219,141.49/248,743.31
  6. Step 6: Final answer
    x = 195,021.20

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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.