Finding the Fourth Proportional to 204,436.07, 282,121.79 and 113,790.08
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Solution
The fourth proportional to 204,436.07, 282,121.79 and 113,790.08 is: 157,030.32
Step by Step Solution
- Step 1: Write the proportion equation
204,436.07 : 282,121.79 = 113,790.08 : x - Step 2: Convert to fraction form
204,436.07/282,121.79 = 113,790.08/x - Step 3: Cross multiply
204,436.07x = 282,121.79 × 113,790.08 - Step 4: Simplify right side
204,436.07x = 32,102,660,484.89 - Step 5: Solve for x
x = 32,102,660,484.89/204,436.07 - Step 6: Final answer
x = 157,030.32
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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.