Home / 248,677.86-343,175.22-135,501.42

Finding the Fourth Proportional to 248,677.86, 343,175.22 and 135,501.42

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Solution

The fourth proportional to 248,677.86, 343,175.22 and 135,501.42 is: 186,991.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,677.86 : 343,175.22 = 135,501.42 : x
  2. Step 2: Convert to fraction form
    248,677.86/343,175.22 = 135,501.42/x
  3. Step 3: Cross multiply
    248,677.86x = 343,175.22 × 135,501.42
  4. Step 4: Simplify right side
    248,677.86x = 46,500,729,618.81
  5. Step 5: Solve for x
    x = 46,500,729,618.81/248,677.86
  6. Step 6: Final answer
    x = 186,991.84

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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.