Home / 248,895.48-343,474.38-135,715.80

Finding the Fourth Proportional to 248,895.48, 343,474.38 and 135,715.80

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Solution

The fourth proportional to 248,895.48, 343,474.38 and 135,715.80 is: 187,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,895.48 : 343,474.38 = 135,715.80 : x
  2. Step 2: Convert to fraction form
    248,895.48/343,474.38 = 135,715.80/x
  3. Step 3: Cross multiply
    248,895.48x = 343,474.38 × 135,715.80
  4. Step 4: Simplify right side
    248,895.48x = 46,614,900,261.20
  5. Step 5: Solve for x
    x = 46,614,900,261.20/248,895.48
  6. Step 6: Final answer
    x = 187,287.05

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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.