Home / 329,927.58-494,887.05-80,611.74

Finding the Fourth Proportional to 329,927.58, 494,887.05 and 80,611.74

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Solution

The fourth proportional to 329,927.58, 494,887.05 and 80,611.74 is: 120,916.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,927.58 : 494,887.05 = 80,611.74 : x
  2. Step 2: Convert to fraction form
    329,927.58/494,887.05 = 80,611.74/x
  3. Step 3: Cross multiply
    329,927.58x = 494,887.05 × 80,611.74
  4. Step 4: Simplify right side
    329,927.58x = 39,893,706,203.97
  5. Step 5: Solve for x
    x = 39,893,706,203.97/329,927.58
  6. Step 6: Final answer
    x = 120,916.55

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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.