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Finding the Fourth Proportional to 451,413, 622,950.03 and 250,209

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Solution

The fourth proportional to 451,413, 622,950.03 and 250,209 is: 345,288.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,413 : 622,950.03 = 250,209 : x
  2. Step 2: Convert to fraction form
    451,413/622,950.03 = 250,209/x
  3. Step 3: Cross multiply
    451,413x = 622,950.03 × 250,209
  4. Step 4: Simplify right side
    451,413x = 155,867,704,056.27
  5. Step 5: Solve for x
    x = 155,867,704,056.27/451,413
  6. Step 6: Final answer
    x = 345,288.47

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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.