Home / 354,466.14-489,039.75-227,211.90

Finding the Fourth Proportional to 354,466.14, 489,039.75 and 227,211.90

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Solution

The fourth proportional to 354,466.14, 489,039.75 and 227,211.90 is: 313,473.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,466.14 : 489,039.75 = 227,211.90 : x
  2. Step 2: Convert to fraction form
    354,466.14/489,039.75 = 227,211.90/x
  3. Step 3: Cross multiply
    354,466.14x = 489,039.75 × 227,211.90
  4. Step 4: Simplify right side
    354,466.14x = 111,115,650,773.03
  5. Step 5: Solve for x
    x = 111,115,650,773.03/354,466.14
  6. Step 6: Final answer
    x = 313,473.24

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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.