Finding the Fourth Proportional to 231,773.18, 347,713.68 and 71,840.63
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Solution
The fourth proportional to 231,773.18, 347,713.68 and 71,840.63 is: 107,777.65
Step by Step Solution
- Step 1: Write the proportion equation
231,773.18 : 347,713.68 = 71,840.63 : x - Step 2: Convert to fraction form
231,773.18/347,713.68 = 71,840.63/x - Step 3: Cross multiply
231,773.18x = 347,713.68 × 71,840.63 - Step 4: Simplify right side
231,773.18x = 24,979,969,830.82 - Step 5: Solve for x
x = 24,979,969,830.82/231,773.18 - Step 6: Final answer
x = 107,777.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.