Home / 248,921.88-343,538.11-153,426.12

Finding the Fourth Proportional to 248,921.88, 343,538.11 and 153,426.12

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Solution

The fourth proportional to 248,921.88, 343,538.11 and 153,426.12 is: 211,744.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,921.88 : 343,538.11 = 153,426.12 : x
  2. Step 2: Convert to fraction form
    248,921.88/343,538.11 = 153,426.12/x
  3. Step 3: Cross multiply
    248,921.88x = 343,538.11 × 153,426.12
  4. Step 4: Simplify right side
    248,921.88x = 52,707,719,289.43
  5. Step 5: Solve for x
    x = 52,707,719,289.43/248,921.88
  6. Step 6: Final answer
    x = 211,744.02

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1.5x scale

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.