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Finding the Fourth Proportional to 449,463.84, 620,228.88 and 248,244

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Solution

The fourth proportional to 449,463.84, 620,228.88 and 248,244 is: 342,559.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,463.84 : 620,228.88 = 248,244 : x
  2. Step 2: Convert to fraction form
    449,463.84/620,228.88 = 248,244/x
  3. Step 3: Cross multiply
    449,463.84x = 620,228.88 × 248,244
  4. Step 4: Simplify right side
    449,463.84x = 153,968,098,086.72
  5. Step 5: Solve for x
    x = 153,968,098,086.72/449,463.84
  6. Step 6: Final answer
    x = 342,559.48

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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.