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Finding the Fourth Proportional to 450,752.22, 621,855.76 and 269,360.62

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Solution

The fourth proportional to 450,752.22, 621,855.76 and 269,360.62 is: 371,608.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,752.22 : 621,855.76 = 269,360.62 : x
  2. Step 2: Convert to fraction form
    450,752.22/621,855.76 = 269,360.62/x
  3. Step 3: Cross multiply
    450,752.22x = 621,855.76 × 269,360.62
  4. Step 4: Simplify right side
    450,752.22x = 167,503,453,064.17
  5. Step 5: Solve for x
    x = 167,503,453,064.17/450,752.22
  6. Step 6: Final answer
    x = 371,608.71

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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.