Home / 460,200.96-635,273.28-309,385.44

Finding the Fourth Proportional to 460,200.96, 635,273.28 and 309,385.44

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Solution

The fourth proportional to 460,200.96, 635,273.28 and 309,385.44 is: 427,083.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,200.96 : 635,273.28 = 309,385.44 : x
  2. Step 2: Convert to fraction form
    460,200.96/635,273.28 = 309,385.44/x
  3. Step 3: Cross multiply
    460,200.96x = 635,273.28 × 309,385.44
  4. Step 4: Simplify right side
    460,200.96x = 196,544,303,253.04
  5. Step 5: Solve for x
    x = 196,544,303,253.04/460,200.96
  6. Step 6: Final answer
    x = 427,083.64

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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.