Home / 228,766.20-343,313.33-128,820.30

Finding the Fourth Proportional to 228,766.20, 343,313.33 and 128,820.30

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Solution

The fourth proportional to 228,766.20, 343,313.33 and 128,820.30 is: 193,322.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,766.20 : 343,313.33 = 128,820.30 : x
  2. Step 2: Convert to fraction form
    228,766.20/343,313.33 = 128,820.30/x
  3. Step 3: Cross multiply
    228,766.20x = 343,313.33 × 128,820.30
  4. Step 4: Simplify right side
    228,766.20x = 44,225,725,520.50
  5. Step 5: Solve for x
    x = 44,225,725,520.50/228,766.20
  6. Step 6: Final answer
    x = 193,322.81

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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.