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Finding the Fourth Proportional to 450,620.52, 621,813.78 and 269,296.35

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Solution

The fourth proportional to 450,620.52, 621,813.78 and 269,296.35 is: 371,603.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,620.52 : 621,813.78 = 269,296.35 : x
  2. Step 2: Convert to fraction form
    450,620.52/621,813.78 = 269,296.35/x
  3. Step 3: Cross multiply
    450,620.52x = 621,813.78 × 269,296.35
  4. Step 4: Simplify right side
    450,620.52x = 167,452,181,333.70
  5. Step 5: Solve for x
    x = 167,452,181,333.70/450,620.52
  6. Step 6: Final answer
    x = 371,603.54

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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.