Finding the Fourth Proportional to 201,713.20, 302,482.32 and 68,557.70
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Solution
The fourth proportional to 201,713.20, 302,482.32 and 68,557.70 is: 102,806.82
Step by Step Solution
- Step 1: Write the proportion equation
201,713.20 : 302,482.32 = 68,557.70 : x - Step 2: Convert to fraction form
201,713.20/302,482.32 = 68,557.70/x - Step 3: Cross multiply
201,713.20x = 302,482.32 × 68,557.70 - Step 4: Simplify right side
201,713.20x = 20,737,492,648.98 - Step 5: Solve for x
x = 20,737,492,648.98/201,713.20 - Step 6: Final answer
x = 102,806.82
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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.