Finding the Fourth Proportional to 146,351.22, 201,968.62 and 82,687.66
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Solution
The fourth proportional to 146,351.22, 201,968.62 and 82,687.66 is: 114,111.19
Step by Step Solution
- Step 1: Write the proportion equation
146,351.22 : 201,968.62 = 82,687.66 : x - Step 2: Convert to fraction form
146,351.22/201,968.62 = 82,687.66/x - Step 3: Cross multiply
146,351.22x = 201,968.62 × 82,687.66 - Step 4: Simplify right side
146,351.22x = 16,700,312,581.23 - Step 5: Solve for x
x = 16,700,312,581.23/146,351.22 - Step 6: Final answer
x = 114,111.19
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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.