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Finding the Fourth Proportional to 451,098, 622,515.24 and 269,817.57

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Solution

The fourth proportional to 451,098, 622,515.24 and 269,817.57 is: 372,348.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,098 : 622,515.24 = 269,817.57 : x
  2. Step 2: Convert to fraction form
    451,098/622,515.24 = 269,817.57/x
  3. Step 3: Cross multiply
    451,098x = 622,515.24 × 269,817.57
  4. Step 4: Simplify right side
    451,098x = 167,965,549,344.77
  5. Step 5: Solve for x
    x = 167,965,549,344.77/451,098
  6. Step 6: Final answer
    x = 372,348.25

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1.5x scale

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.