Home / 460,197.22-635,268.10-309,381.70

Finding the Fourth Proportional to 460,197.22, 635,268.10 and 309,381.70

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Solution

The fourth proportional to 460,197.22, 635,268.10 and 309,381.70 is: 427,078.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,197.22 : 635,268.10 = 309,381.70 : x
  2. Step 2: Convert to fraction form
    460,197.22/635,268.10 = 309,381.70/x
  3. Step 3: Cross multiply
    460,197.22x = 635,268.10 × 309,381.70
  4. Step 4: Simplify right side
    460,197.22x = 196,540,324,733.77
  5. Step 5: Solve for x
    x = 196,540,324,733.77/460,197.22
  6. Step 6: Final answer
    x = 427,078.47

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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.