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Finding the Fourth Proportional to 449,944, 620,935.68 and 248,752.96

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Solution

The fourth proportional to 449,944, 620,935.68 and 248,752.96 is: 343,286.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,944 : 620,935.68 = 248,752.96 : x
  2. Step 2: Convert to fraction form
    449,944/620,935.68 = 248,752.96/x
  3. Step 3: Cross multiply
    449,944x = 620,935.68 × 248,752.96
  4. Step 4: Simplify right side
    449,944x = 154,459,588,369.61
  5. Step 5: Solve for x
    x = 154,459,588,369.61/449,944
  6. Step 6: Final answer
    x = 343,286.25

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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.