Home / 228,948.76-343,401.24-140,156.56

Finding the Fourth Proportional to 228,948.76, 343,401.24 and 140,156.56

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Solution

The fourth proportional to 228,948.76, 343,401.24 and 140,156.56 is: 210,221.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,948.76 : 343,401.24 = 140,156.56 : x
  2. Step 2: Convert to fraction form
    228,948.76/343,401.24 = 140,156.56/x
  3. Step 3: Cross multiply
    228,948.76x = 343,401.24 × 140,156.56
  4. Step 4: Simplify right side
    228,948.76x = 48,129,936,498.13
  5. Step 5: Solve for x
    x = 48,129,936,498.13/228,948.76
  6. Step 6: Final answer
    x = 210,221.43

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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.