Finding the Fourth Proportional to 268,682.88, 370,782.36 and 147,821.60
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Solution
The fourth proportional to 268,682.88, 370,782.36 and 147,821.60 is: 203,993.80
Step by Step Solution
- Step 1: Write the proportion equation
268,682.88 : 370,782.36 = 147,821.60 : x - Step 2: Convert to fraction form
268,682.88/370,782.36 = 147,821.60/x - Step 3: Cross multiply
268,682.88x = 370,782.36 × 147,821.60 - Step 4: Simplify right side
268,682.88x = 54,809,641,706.98 - Step 5: Solve for x
x = 54,809,641,706.98/268,682.88 - Step 6: Final answer
x = 203,993.80
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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.