Finding the Fourth Proportional to 146,639.08, 202,362.06 and 79,571.08
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Solution
The fourth proportional to 146,639.08, 202,362.06 and 79,571.08 is: 109,808.16
Step by Step Solution
- Step 1: Write the proportion equation
146,639.08 : 202,362.06 = 79,571.08 : x - Step 2: Convert to fraction form
146,639.08/202,362.06 = 79,571.08/x - Step 3: Cross multiply
146,639.08x = 202,362.06 × 79,571.08 - Step 4: Simplify right side
146,639.08x = 16,102,167,665.22 - Step 5: Solve for x
x = 16,102,167,665.22/146,639.08 - Step 6: Final answer
x = 109,808.16
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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.