Finding the Fourth Proportional to 205,690.46, 283,838.18 and 119,662.99
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Solution
The fourth proportional to 205,690.46, 283,838.18 and 119,662.99 is: 165,126.40
Step by Step Solution
- Step 1: Write the proportion equation
205,690.46 : 283,838.18 = 119,662.99 : x - Step 2: Convert to fraction form
205,690.46/283,838.18 = 119,662.99/x - Step 3: Cross multiply
205,690.46x = 283,838.18 × 119,662.99 - Step 4: Simplify right side
205,690.46x = 33,964,923,987.05 - Step 5: Solve for x
x = 33,964,923,987.05/205,690.46 - Step 6: Final answer
x = 165,126.40
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1.5x scale
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.