Home / 248,715.68-343,227.04-135,538.24

Finding the Fourth Proportional to 248,715.68, 343,227.04 and 135,538.24

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Solution

The fourth proportional to 248,715.68, 343,227.04 and 135,538.24 is: 187,042.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,715.68 : 343,227.04 = 135,538.24 : x
  2. Step 2: Convert to fraction form
    248,715.68/343,227.04 = 135,538.24/x
  3. Step 3: Cross multiply
    248,715.68x = 343,227.04 × 135,538.24
  4. Step 4: Simplify right side
    248,715.68x = 46,520,388,922.01
  5. Step 5: Solve for x
    x = 46,520,388,922.01/248,715.68
  6. Step 6: Final answer
    x = 187,042.45

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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.