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Finding the Fourth Proportional to 449,888.04, 620,846.64 and 245,941.38

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Solution

The fourth proportional to 449,888.04, 620,846.64 and 245,941.38 is: 339,399.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,888.04 : 620,846.64 = 245,941.38 : x
  2. Step 2: Convert to fraction form
    449,888.04/620,846.64 = 245,941.38/x
  3. Step 3: Cross multiply
    449,888.04x = 620,846.64 × 245,941.38
  4. Step 4: Simplify right side
    449,888.04x = 152,691,879,409.96
  5. Step 5: Solve for x
    x = 152,691,879,409.96/449,888.04
  6. Step 6: Final answer
    x = 339,399.73

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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.