Home / 248,557.20-343,008.78-135,379.98

Finding the Fourth Proportional to 248,557.20, 343,008.78 and 135,379.98

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Solution

The fourth proportional to 248,557.20, 343,008.78 and 135,379.98 is: 186,824.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,557.20 : 343,008.78 = 135,379.98 : x
  2. Step 2: Convert to fraction form
    248,557.20/343,008.78 = 135,379.98/x
  3. Step 3: Cross multiply
    248,557.20x = 343,008.78 × 135,379.98
  4. Step 4: Simplify right side
    248,557.20x = 46,436,521,776.22
  5. Step 5: Solve for x
    x = 46,436,521,776.22/248,557.20
  6. Step 6: Final answer
    x = 186,824.29

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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.