Finding the Fourth Proportional to 252,034.64, 347,808.68 and 138,857.12
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Solution
The fourth proportional to 252,034.64, 347,808.68 and 138,857.12 is: 191,623.31
Step by Step Solution
- Step 1: Write the proportion equation
252,034.64 : 347,808.68 = 138,857.12 : x - Step 2: Convert to fraction form
252,034.64/347,808.68 = 138,857.12/x - Step 3: Cross multiply
252,034.64x = 347,808.68 × 138,857.12 - Step 4: Simplify right side
252,034.64x = 48,295,711,615.80 - Step 5: Solve for x
x = 48,295,711,615.80/252,034.64 - Step 6: Final answer
x = 191,623.31
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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.