Finding the Fourth Proportional to 146,361.08, 201,979.26 and 79,293.08
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Solution
The fourth proportional to 146,361.08, 201,979.26 and 79,293.08 is: 109,424.98
Step by Step Solution
- Step 1: Write the proportion equation
146,361.08 : 201,979.26 = 79,293.08 : x - Step 2: Convert to fraction form
146,361.08/201,979.26 = 79,293.08/x - Step 3: Cross multiply
146,361.08x = 201,979.26 × 79,293.08 - Step 4: Simplify right side
146,361.08x = 16,015,557,621.52 - Step 5: Solve for x
x = 16,015,557,621.52/146,361.08 - Step 6: Final answer
x = 109,424.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.