Finding the Fourth Proportional to 317,896.44, 438,706.43 and 181,974.05
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Solution
The fourth proportional to 317,896.44, 438,706.43 and 181,974.05 is: 251,129.53
Step by Step Solution
- Step 1: Write the proportion equation
317,896.44 : 438,706.43 = 181,974.05 : x - Step 2: Convert to fraction form
317,896.44/438,706.43 = 181,974.05/x - Step 3: Cross multiply
317,896.44x = 438,706.43 × 181,974.05 - Step 4: Simplify right side
317,896.44x = 79,833,182,724.74 - Step 5: Solve for x
x = 79,833,182,724.74/317,896.44 - Step 6: Final answer
x = 251,129.53
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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.