Home / 285,018.44-427,471.04-82,638.32

Finding the Fourth Proportional to 285,018.44, 427,471.04 and 82,638.32

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Solution

The fourth proportional to 285,018.44, 427,471.04 and 82,638.32 is: 123,941.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,018.44 : 427,471.04 = 82,638.32 : x
  2. Step 2: Convert to fraction form
    285,018.44/427,471.04 = 82,638.32/x
  3. Step 3: Cross multiply
    285,018.44x = 427,471.04 × 82,638.32
  4. Step 4: Simplify right side
    285,018.44x = 35,325,488,594.25
  5. Step 5: Solve for x
    x = 35,325,488,594.25/285,018.44
  6. Step 6: Final answer
    x = 123,941.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.