Home / 228,946.76-343,398.24-140,154.56

Finding the Fourth Proportional to 228,946.76, 343,398.24 and 140,154.56

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Solution

The fourth proportional to 228,946.76, 343,398.24 and 140,154.56 is: 210,218.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,946.76 : 343,398.24 = 140,154.56 : x
  2. Step 2: Convert to fraction form
    228,946.76/343,398.24 = 140,154.56/x
  3. Step 3: Cross multiply
    228,946.76x = 343,398.24 × 140,154.56
  4. Step 4: Simplify right side
    228,946.76x = 48,128,829,231.97
  5. Step 5: Solve for x
    x = 48,128,829,231.97/228,946.76
  6. Step 6: Final answer
    x = 210,218.43

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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.