Home / 451,077.90-676,616.04-198,297.96

Finding the Fourth Proportional to 451,077.90, 676,616.04 and 198,297.96

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Solution

The fourth proportional to 451,077.90, 676,616.04 and 198,297.96 is: 297,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,077.90 : 676,616.04 = 198,297.96 : x
  2. Step 2: Convert to fraction form
    451,077.90/676,616.04 = 198,297.96/x
  3. Step 3: Cross multiply
    451,077.90x = 676,616.04 × 198,297.96
  4. Step 4: Simplify right side
    451,077.90x = 134,171,580,435.28
  5. Step 5: Solve for x
    x = 134,171,580,435.28/451,077.90
  6. Step 6: Final answer
    x = 297,446.58

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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.