Home / 248,788.59-343,328.27-135,611.34

Finding the Fourth Proportional to 248,788.59, 343,328.27 and 135,611.34

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Solution

The fourth proportional to 248,788.59, 343,328.27 and 135,611.34 is: 187,143.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,788.59 : 343,328.27 = 135,611.34 : x
  2. Step 2: Convert to fraction form
    248,788.59/343,328.27 = 135,611.34/x
  3. Step 3: Cross multiply
    248,788.59x = 343,328.27 × 135,611.34
  4. Step 4: Simplify right side
    248,788.59x = 46,559,206,076.53
  5. Step 5: Solve for x
    x = 46,559,206,076.53/248,788.59
  6. Step 6: Final answer
    x = 187,143.66

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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.