Finding the Fourth Proportional to 207,754.08, 311,683.50 and 57,994.20
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Solution
The fourth proportional to 207,754.08, 311,683.50 and 57,994.20 is: 87,005.92
Step by Step Solution
- Step 1: Write the proportion equation
207,754.08 : 311,683.50 = 57,994.20 : x - Step 2: Convert to fraction form
207,754.08/311,683.50 = 57,994.20/x - Step 3: Cross multiply
207,754.08x = 311,683.50 × 57,994.20 - Step 4: Simplify right side
207,754.08x = 18,075,835,235.70 - Step 5: Solve for x
x = 18,075,835,235.70/207,754.08 - Step 6: Final answer
x = 87,005.92
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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.