Home / 228,360.20-342,540.30-70,604.60

Finding the Fourth Proportional to 228,360.20, 342,540.30 and 70,604.60

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Solution

The fourth proportional to 228,360.20, 342,540.30 and 70,604.60 is: 105,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,360.20 : 342,540.30 = 70,604.60 : x
  2. Step 2: Convert to fraction form
    228,360.20/342,540.30 = 70,604.60/x
  3. Step 3: Cross multiply
    228,360.20x = 342,540.30 × 70,604.60
  4. Step 4: Simplify right side
    228,360.20x = 24,184,920,865.38
  5. Step 5: Solve for x
    x = 24,184,920,865.38/228,360.20
  6. Step 6: Final answer
    x = 105,906.90

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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.