Finding the Fourth Proportional to 206,400.58, 284,569.12 and 133,674.98
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Solution
The fourth proportional to 206,400.58, 284,569.12 and 133,674.98 is: 184,300.70
Step by Step Solution
- Step 1: Write the proportion equation
206,400.58 : 284,569.12 = 133,674.98 : x - Step 2: Convert to fraction form
206,400.58/284,569.12 = 133,674.98/x - Step 3: Cross multiply
206,400.58x = 284,569.12 × 133,674.98 - Step 4: Simplify right side
206,400.58x = 38,039,771,424.62 - Step 5: Solve for x
x = 38,039,771,424.62/206,400.58 - Step 6: Final answer
x = 184,300.70
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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.