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Finding the Fourth Proportional to 306,841.43, 460,331.85 and 93,628.41

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Solution

The fourth proportional to 306,841.43, 460,331.85 and 93,628.41 is: 140,463.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,841.43 : 460,331.85 = 93,628.41 : x
  2. Step 2: Convert to fraction form
    306,841.43/460,331.85 = 93,628.41/x
  3. Step 3: Cross multiply
    306,841.43x = 460,331.85 × 93,628.41
  4. Step 4: Simplify right side
    306,841.43x = 43,100,139,187.86
  5. Step 5: Solve for x
    x = 43,100,139,187.86/306,841.43
  6. Step 6: Final answer
    x = 140,463.88

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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.