Home / 254,494.80-381,742.20-229,125.60

Finding the Fourth Proportional to 254,494.80, 381,742.20 and 229,125.60

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Solution

The fourth proportional to 254,494.80, 381,742.20 and 229,125.60 is: 343,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,494.80 : 381,742.20 = 229,125.60 : x
  2. Step 2: Convert to fraction form
    254,494.80/381,742.20 = 229,125.60/x
  3. Step 3: Cross multiply
    254,494.80x = 381,742.20 × 229,125.60
  4. Step 4: Simplify right side
    254,494.80x = 87,466,910,620.32
  5. Step 5: Solve for x
    x = 87,466,910,620.32/254,494.80
  6. Step 6: Final answer
    x = 343,688.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.