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Finding the Fourth Proportional to 449,655.03, 620,516.46 and 245,701.49

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Solution

The fourth proportional to 449,655.03, 620,516.46 and 245,701.49 is: 339,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,655.03 : 620,516.46 = 245,701.49 : x
  2. Step 2: Convert to fraction form
    449,655.03/620,516.46 = 245,701.49/x
  3. Step 3: Cross multiply
    449,655.03x = 620,516.46 × 245,701.49
  4. Step 4: Simplify right side
    449,655.03x = 152,461,818,791.53
  5. Step 5: Solve for x
    x = 152,461,818,791.53/449,655.03
  6. Step 6: Final answer
    x = 339,063.97

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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.