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Finding the Fourth Proportional to 449,946, 620,938.44 and 248,754.96

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Solution

The fourth proportional to 449,946, 620,938.44 and 248,754.96 is: 343,289.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,946 : 620,938.44 = 248,754.96 : x
  2. Step 2: Convert to fraction form
    449,946/620,938.44 = 248,754.96/x
  3. Step 3: Cross multiply
    449,946x = 620,938.44 × 248,754.96
  4. Step 4: Simplify right side
    449,946x = 154,461,516,804.66
  5. Step 5: Solve for x
    x = 154,461,516,804.66/449,946
  6. Step 6: Final answer
    x = 343,289.01

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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.