Finding the Fourth Proportional to 248,019.84, 342,340.23 and 161,991.99
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Solution
The fourth proportional to 248,019.84, 342,340.23 and 161,991.99 is: 223,596.53
Step by Step Solution
- Step 1: Write the proportion equation
248,019.84 : 342,340.23 = 161,991.99 : x - Step 2: Convert to fraction form
248,019.84/342,340.23 = 161,991.99/x - Step 3: Cross multiply
248,019.84x = 342,340.23 × 161,991.99 - Step 4: Simplify right side
248,019.84x = 55,456,375,114.76 - Step 5: Solve for x
x = 55,456,375,114.76/248,019.84 - Step 6: Final answer
x = 223,596.53
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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.