Finding the Fourth Proportional to 206,125.80, 284,461.79 and 115,482.53
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Solution
The fourth proportional to 206,125.80, 284,461.79 and 115,482.53 is: 159,370.47
Step by Step Solution
- Step 1: Write the proportion equation
206,125.80 : 284,461.79 = 115,482.53 : x - Step 2: Convert to fraction form
206,125.80/284,461.79 = 115,482.53/x - Step 3: Cross multiply
206,125.80x = 284,461.79 × 115,482.53 - Step 4: Simplify right side
206,125.80x = 32,850,365,197.81 - Step 5: Solve for x
x = 32,850,365,197.81/206,125.80 - Step 6: Final answer
x = 159,370.47
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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.