Home / 248,627.28-343,105.02-135,449.76

Finding the Fourth Proportional to 248,627.28, 343,105.02 and 135,449.76

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Solution

The fourth proportional to 248,627.28, 343,105.02 and 135,449.76 is: 186,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,627.28 : 343,105.02 = 135,449.76 : x
  2. Step 2: Convert to fraction form
    248,627.28/343,105.02 = 135,449.76/x
  3. Step 3: Cross multiply
    248,627.28x = 343,105.02 × 135,449.76
  4. Step 4: Simplify right side
    248,627.28x = 46,473,492,613.80
  5. Step 5: Solve for x
    x = 46,473,492,613.80/248,627.28
  6. Step 6: Final answer
    x = 186,920.33

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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.