Finding the Fourth Proportional to 170,163.87, 234,839.70 and 98,545.17
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Solution
The fourth proportional to 170,163.87, 234,839.70 and 98,545.17 is: 136,000.19
Step by Step Solution
- Step 1: Write the proportion equation
170,163.87 : 234,839.70 = 98,545.17 : x - Step 2: Convert to fraction form
170,163.87/234,839.70 = 98,545.17/x - Step 3: Cross multiply
170,163.87x = 234,839.70 × 98,545.17 - Step 4: Simplify right side
170,163.87x = 23,142,318,159.25 - Step 5: Solve for x
x = 23,142,318,159.25/170,163.87 - Step 6: Final answer
x = 136,000.19
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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.