Finding the Fourth Proportional to 157,560.30, 217,716.39 and 119,768.94
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Solution
The fourth proportional to 157,560.30, 217,716.39 and 119,768.94 is: 165,496.39
Step by Step Solution
- Step 1: Write the proportion equation
157,560.30 : 217,716.39 = 119,768.94 : x - Step 2: Convert to fraction form
157,560.30/217,716.39 = 119,768.94/x - Step 3: Cross multiply
157,560.30x = 217,716.39 × 119,768.94 - Step 4: Simplify right side
157,560.30x = 26,075,661,250.93 - Step 5: Solve for x
x = 26,075,661,250.93/157,560.30 - Step 6: Final answer
x = 165,496.39
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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.