Finding the Fourth Proportional to 271,521.06, 374,716.97 and 156,804.53
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Solution
The fourth proportional to 271,521.06, 374,716.97 and 156,804.53 is: 216,400.58
Step by Step Solution
- Step 1: Write the proportion equation
271,521.06 : 374,716.97 = 156,804.53 : x - Step 2: Convert to fraction form
271,521.06/374,716.97 = 156,804.53/x - Step 3: Cross multiply
271,521.06x = 374,716.97 × 156,804.53 - Step 4: Simplify right side
271,521.06x = 58,757,315,706.27 - Step 5: Solve for x
x = 58,757,315,706.27/271,521.06 - Step 6: Final answer
x = 216,400.58
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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.