Finding the Fourth Proportional to 206,368.80, 282,934.08 and 202,636.32
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Solution
The fourth proportional to 206,368.80, 282,934.08 and 202,636.32 is: 277,816.81
Step by Step Solution
- Step 1: Write the proportion equation
206,368.80 : 282,934.08 = 202,636.32 : x - Step 2: Convert to fraction form
206,368.80/282,934.08 = 202,636.32/x - Step 3: Cross multiply
206,368.80x = 282,934.08 × 202,636.32 - Step 4: Simplify right side
206,368.80x = 57,332,720,773.79 - Step 5: Solve for x
x = 57,332,720,773.79/206,368.80 - Step 6: Final answer
x = 277,816.81
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.