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Finding the Fourth Proportional to 467,300.09, 644,873.31 and 252,439.49

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Solution

The fourth proportional to 467,300.09, 644,873.31 and 252,439.49 is: 348,366.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,300.09 : 644,873.31 = 252,439.49 : x
  2. Step 2: Convert to fraction form
    467,300.09/644,873.31 = 252,439.49/x
  3. Step 3: Cross multiply
    467,300.09x = 644,873.31 × 252,439.49
  4. Step 4: Simplify right side
    467,300.09x = 162,791,489,491.01
  5. Step 5: Solve for x
    x = 162,791,489,491.01/467,300.09
  6. Step 6: Final answer
    x = 348,366.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.