Finding the Fourth Proportional to 206,135.74, 308,581.17 and 186,423.58
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Solution
The fourth proportional to 206,135.74, 308,581.17 and 186,423.58 is: 279,072.45
Step by Step Solution
- Step 1: Write the proportion equation
206,135.74 : 308,581.17 = 186,423.58 : x - Step 2: Convert to fraction form
206,135.74/308,581.17 = 186,423.58/x - Step 3: Cross multiply
206,135.74x = 308,581.17 × 186,423.58 - Step 4: Simplify right side
206,135.74x = 57,526,806,431.99 - Step 5: Solve for x
x = 57,526,806,431.99/206,135.74 - Step 6: Final answer
x = 279,072.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.