Finding the Fourth Proportional to 252,104.42, 347,902.44 and 138,927.26
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Solution
The fourth proportional to 252,104.42, 347,902.44 and 138,927.26 is: 191,718.70
Step by Step Solution
- Step 1: Write the proportion equation
252,104.42 : 347,902.44 = 138,927.26 : x - Step 2: Convert to fraction form
252,104.42/347,902.44 = 138,927.26/x - Step 3: Cross multiply
252,104.42x = 347,902.44 × 138,927.26 - Step 4: Simplify right side
252,104.42x = 48,333,132,736.51 - Step 5: Solve for x
x = 48,333,132,736.51/252,104.42 - Step 6: Final answer
x = 191,718.70
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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.