Home / 248,600.41-343,057.55-145,244.21

Finding the Fourth Proportional to 248,600.41, 343,057.55 and 145,244.21

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Solution

The fourth proportional to 248,600.41, 343,057.55 and 145,244.21 is: 200,430.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,600.41 : 343,057.55 = 145,244.21 : x
  2. Step 2: Convert to fraction form
    248,600.41/343,057.55 = 145,244.21/x
  3. Step 3: Cross multiply
    248,600.41x = 343,057.55 × 145,244.21
  4. Step 4: Simplify right side
    248,600.41x = 49,827,120,392.78
  5. Step 5: Solve for x
    x = 49,827,120,392.78/248,600.41
  6. Step 6: Final answer
    x = 200,430.57

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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.