Finding the Fourth Proportional to 163,239.87, 244,832.09 and 74,472.51
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Solution
The fourth proportional to 163,239.87, 244,832.09 and 74,472.51 is: 111,696.12
Step by Step Solution
- Step 1: Write the proportion equation
163,239.87 : 244,832.09 = 74,472.51 : x - Step 2: Convert to fraction form
163,239.87/244,832.09 = 74,472.51/x - Step 3: Cross multiply
163,239.87x = 244,832.09 × 74,472.51 - Step 4: Simplify right side
163,239.87x = 18,233,259,898.48 - Step 5: Solve for x
x = 18,233,259,898.48/163,239.87 - Step 6: Final answer
x = 111,696.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.