Finding the Fourth Proportional to 329,640.99, 454,907.30 and 178,737.99
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Solution
The fourth proportional to 329,640.99, 454,907.30 and 178,737.99 is: 246,659.91
Step by Step Solution
- Step 1: Write the proportion equation
329,640.99 : 454,907.30 = 178,737.99 : x - Step 2: Convert to fraction form
329,640.99/454,907.30 = 178,737.99/x - Step 3: Cross multiply
329,640.99x = 454,907.30 × 178,737.99 - Step 4: Simplify right side
329,640.99x = 81,309,216,438.33 - Step 5: Solve for x
x = 81,309,216,438.33/329,640.99 - Step 6: Final answer
x = 246,659.91
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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.