Finding the Fourth Proportional to 285,114.66, 427,633.11 and 74,734.98
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Solution
The fourth proportional to 285,114.66, 427,633.11 and 74,734.98 is: 112,092.28
Step by Step Solution
- Step 1: Write the proportion equation
285,114.66 : 427,633.11 = 74,734.98 : x - Step 2: Convert to fraction form
285,114.66/427,633.11 = 74,734.98/x - Step 3: Cross multiply
285,114.66x = 427,633.11 × 74,734.98 - Step 4: Simplify right side
285,114.66x = 31,959,151,923.19 - Step 5: Solve for x
x = 31,959,151,923.19/285,114.66 - Step 6: Final answer
x = 112,092.28
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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.