Finding the Fourth Proportional to 205,042.74, 307,458.79 and 92,662.08
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Solution
The fourth proportional to 205,042.74, 307,458.79 and 92,662.08 is: 138,945.52
Step by Step Solution
- Step 1: Write the proportion equation
205,042.74 : 307,458.79 = 92,662.08 : x - Step 2: Convert to fraction form
205,042.74/307,458.79 = 92,662.08/x - Step 3: Cross multiply
205,042.74x = 307,458.79 × 92,662.08 - Step 4: Simplify right side
205,042.74x = 28,489,769,611.06 - Step 5: Solve for x
x = 28,489,769,611.06/205,042.74 - Step 6: Final answer
x = 138,945.52
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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.