Home / 248,788.20-343,327.84-141,358.40

Finding the Fourth Proportional to 248,788.20, 343,327.84 and 141,358.40

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Solution

The fourth proportional to 248,788.20, 343,327.84 and 141,358.40 is: 195,074.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,788.20 : 343,327.84 = 141,358.40 : x
  2. Step 2: Convert to fraction form
    248,788.20/343,327.84 = 141,358.40/x
  3. Step 3: Cross multiply
    248,788.20x = 343,327.84 × 141,358.40
  4. Step 4: Simplify right side
    248,788.20x = 48,532,274,137.86
  5. Step 5: Solve for x
    x = 48,532,274,137.86/248,788.20
  6. Step 6: Final answer
    x = 195,074.66

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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.