Finding the Fourth Proportional to 285,074.40, 427,596.12 and 107,577.12
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Solution
The fourth proportional to 285,074.40, 427,596.12 and 107,577.12 is: 161,359.84
Step by Step Solution
- Step 1: Write the proportion equation
285,074.40 : 427,596.12 = 107,577.12 : x - Step 2: Convert to fraction form
285,074.40/427,596.12 = 107,577.12/x - Step 3: Cross multiply
285,074.40x = 427,596.12 × 107,577.12 - Step 4: Simplify right side
285,074.40x = 45,999,559,112.77 - Step 5: Solve for x
x = 45,999,559,112.77/285,074.40 - Step 6: Final answer
x = 161,359.84
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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.