Home / 248,583.68-343,044.96-135,406.16

Finding the Fourth Proportional to 248,583.68, 343,044.96 and 135,406.16

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Solution

The fourth proportional to 248,583.68, 343,044.96 and 135,406.16 is: 186,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,583.68 : 343,044.96 = 135,406.16 : x
  2. Step 2: Convert to fraction form
    248,583.68/343,044.96 = 135,406.16/x
  3. Step 3: Cross multiply
    248,583.68x = 343,044.96 × 135,406.16
  4. Step 4: Simplify right side
    248,583.68x = 46,450,400,740.95
  5. Step 5: Solve for x
    x = 46,450,400,740.95/248,583.68
  6. Step 6: Final answer
    x = 186,860.22

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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.