Finding the Fourth Proportional to 317,724.06, 438,349.57 and 203,069.82
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Solution
The fourth proportional to 317,724.06, 438,349.57 and 203,069.82 is: 280,166.28
Step by Step Solution
- Step 1: Write the proportion equation
317,724.06 : 438,349.57 = 203,069.82 : x - Step 2: Convert to fraction form
317,724.06/438,349.57 = 203,069.82/x - Step 3: Cross multiply
317,724.06x = 438,349.57 × 203,069.82 - Step 4: Simplify right side
317,724.06x = 89,015,568,276.98 - Step 5: Solve for x
x = 89,015,568,276.98/317,724.06 - Step 6: Final answer
x = 280,166.28
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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.