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Finding the Fourth Proportional to 451,099, 622,516.62 and 269,818.57

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Solution

The fourth proportional to 451,099, 622,516.62 and 269,818.57 is: 372,349.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,099 : 622,516.62 = 269,818.57 : x
  2. Step 2: Convert to fraction form
    451,099/622,516.62 = 269,818.57/x
  3. Step 3: Cross multiply
    451,099x = 622,516.62 × 269,818.57
  4. Step 4: Simplify right side
    451,099x = 167,966,544,209.63
  5. Step 5: Solve for x
    x = 167,966,544,209.63/451,099
  6. Step 6: Final answer
    x = 372,349.63

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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.