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Finding the Fourth Proportional to 474,395.42, 654,694.71 and 273,256.22

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Solution

The fourth proportional to 474,395.42, 654,694.71 and 273,256.22 is: 377,110.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,395.42 : 654,694.71 = 273,256.22 : x
  2. Step 2: Convert to fraction form
    474,395.42/654,694.71 = 273,256.22/x
  3. Step 3: Cross multiply
    474,395.42x = 654,694.71 × 273,256.22
  4. Step 4: Simplify right side
    474,395.42x = 178,899,401,708.60
  5. Step 5: Solve for x
    x = 178,899,401,708.60/474,395.42
  6. Step 6: Final answer
    x = 377,110.31

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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.