Home / 228,469.24-343,095.90-140,240.80

Finding the Fourth Proportional to 228,469.24, 343,095.90 and 140,240.80

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Solution

The fourth proportional to 228,469.24, 343,095.90 and 140,240.80 is: 210,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,469.24 : 343,095.90 = 140,240.80 : x
  2. Step 2: Convert to fraction form
    228,469.24/343,095.90 = 140,240.80/x
  3. Step 3: Cross multiply
    228,469.24x = 343,095.90 × 140,240.80
  4. Step 4: Simplify right side
    228,469.24x = 48,116,043,492.72
  5. Step 5: Solve for x
    x = 48,116,043,492.72/228,469.24
  6. Step 6: Final answer
    x = 210,601.85

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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.