Home / 489,220.56-733,824.36-134,234.28

Finding the Fourth Proportional to 489,220.56, 733,824.36 and 134,234.28

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Solution

The fourth proportional to 489,220.56, 733,824.36 and 134,234.28 is: 201,349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,220.56 : 733,824.36 = 134,234.28 : x
  2. Step 2: Convert to fraction form
    489,220.56/733,824.36 = 134,234.28/x
  3. Step 3: Cross multiply
    489,220.56x = 733,824.36 × 134,234.28
  4. Step 4: Simplify right side
    489,220.56x = 98,504,384,611.06
  5. Step 5: Solve for x
    x = 98,504,384,611.06/489,220.56
  6. Step 6: Final answer
    x = 201,349.64

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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.