Finding the Fourth Proportional to 268,754.09, 370,871.34 and 147,884.07
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Solution
The fourth proportional to 268,754.09, 370,871.34 and 147,884.07 is: 204,074.90
Step by Step Solution
- Step 1: Write the proportion equation
268,754.09 : 370,871.34 = 147,884.07 : x - Step 2: Convert to fraction form
268,754.09/370,871.34 = 147,884.07/x - Step 3: Cross multiply
268,754.09x = 370,871.34 × 147,884.07 - Step 4: Simplify right side
268,754.09x = 54,845,963,205.55 - Step 5: Solve for x
x = 54,845,963,205.55/268,754.09 - Step 6: Final answer
x = 204,074.90
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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.