Finding the Fourth Proportional to 252,104.36, 347,902.35 and 138,927.20
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Solution
The fourth proportional to 252,104.36, 347,902.35 and 138,927.20 is: 191,718.62
Step by Step Solution
- Step 1: Write the proportion equation
252,104.36 : 347,902.35 = 138,927.20 : x - Step 2: Convert to fraction form
252,104.36/347,902.35 = 138,927.20/x - Step 3: Cross multiply
252,104.36x = 347,902.35 × 138,927.20 - Step 4: Simplify right side
252,104.36x = 48,333,099,010.14 - Step 5: Solve for x
x = 48,333,099,010.14/252,104.36 - Step 6: Final answer
x = 191,718.62
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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.