Finding the Fourth Proportional to 206,378.06, 284,696.88 and 134,799.98
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Solution
The fourth proportional to 206,378.06, 284,696.88 and 134,799.98 is: 185,955.49
Step by Step Solution
- Step 1: Write the proportion equation
206,378.06 : 284,696.88 = 134,799.98 : x - Step 2: Convert to fraction form
206,378.06/284,696.88 = 134,799.98/x - Step 3: Cross multiply
206,378.06x = 284,696.88 × 134,799.98 - Step 4: Simplify right side
206,378.06x = 38,377,133,730.06 - Step 5: Solve for x
x = 38,377,133,730.06/206,378.06 - Step 6: Final answer
x = 185,955.49
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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.