Finding the Fourth Proportional to 198,560.62, 297,988.60 and 80,232.98
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Solution
The fourth proportional to 198,560.62, 297,988.60 and 80,232.98 is: 120,409.14
Step by Step Solution
- Step 1: Write the proportion equation
198,560.62 : 297,988.60 = 80,232.98 : x - Step 2: Convert to fraction form
198,560.62/297,988.60 = 80,232.98/x - Step 3: Cross multiply
198,560.62x = 297,988.60 × 80,232.98 - Step 4: Simplify right side
198,560.62x = 23,908,513,384.03 - Step 5: Solve for x
x = 23,908,513,384.03/198,560.62 - Step 6: Final answer
x = 120,409.14
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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.