Finding the Fourth Proportional to 359,690.08, 539,163.32 and 134,891.99
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Solution
The fourth proportional to 359,690.08, 539,163.32 and 134,891.99 is: 202,198.55
Step by Step Solution
- Step 1: Write the proportion equation
359,690.08 : 539,163.32 = 134,891.99 : x - Step 2: Convert to fraction form
359,690.08/539,163.32 = 134,891.99/x - Step 3: Cross multiply
359,690.08x = 539,163.32 × 134,891.99 - Step 4: Simplify right side
359,690.08x = 72,728,813,169.81 - Step 5: Solve for x
x = 72,728,813,169.81/359,690.08 - Step 6: Final answer
x = 202,198.55
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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.