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Finding the Fourth Proportional to 450,999.84, 621,950.45 and 269,682.96

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Solution

The fourth proportional to 450,999.84, 621,950.45 and 269,682.96 is: 371,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,999.84 : 621,950.45 = 269,682.96 : x
  2. Step 2: Convert to fraction form
    450,999.84/621,950.45 = 269,682.96/x
  3. Step 3: Cross multiply
    450,999.84x = 621,950.45 × 269,682.96
  4. Step 4: Simplify right side
    450,999.84x = 167,729,436,980.92
  5. Step 5: Solve for x
    x = 167,729,436,980.92/450,999.84
  6. Step 6: Final answer
    x = 371,905.76

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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.