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Finding the Fourth Proportional to 450,620.27, 621,813.44 and 269,296.10

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Solution

The fourth proportional to 450,620.27, 621,813.44 and 269,296.10 is: 371,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,620.27 : 621,813.44 = 269,296.10 : x
  2. Step 2: Convert to fraction form
    450,620.27/621,813.44 = 269,296.10/x
  3. Step 3: Cross multiply
    450,620.27x = 621,813.44 × 269,296.10
  4. Step 4: Simplify right side
    450,620.27x = 167,451,934,319.58
  5. Step 5: Solve for x
    x = 167,451,934,319.58/450,620.27
  6. Step 6: Final answer
    x = 371,603.20

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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.