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Finding the Fourth Proportional to 447,954.48, 618,152.04 and 256,950

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Solution

The fourth proportional to 447,954.48, 618,152.04 and 256,950 is: 354,576.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,954.48 : 618,152.04 = 256,950 : x
  2. Step 2: Convert to fraction form
    447,954.48/618,152.04 = 256,950/x
  3. Step 3: Cross multiply
    447,954.48x = 618,152.04 × 256,950
  4. Step 4: Simplify right side
    447,954.48x = 158,834,166,678
  5. Step 5: Solve for x
    x = 158,834,166,678/447,954.48
  6. Step 6: Final answer
    x = 354,576.58

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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.