Finding the Fourth Proportional to 205,093.80, 307,640.70 and 94,285.80
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Solution
The fourth proportional to 205,093.80, 307,640.70 and 94,285.80 is: 141,428.70
Step by Step Solution
- Step 1: Write the proportion equation
205,093.80 : 307,640.70 = 94,285.80 : x - Step 2: Convert to fraction form
205,093.80/307,640.70 = 94,285.80/x - Step 3: Cross multiply
205,093.80x = 307,640.70 × 94,285.80 - Step 4: Simplify right side
205,093.80x = 29,006,149,512.06 - Step 5: Solve for x
x = 29,006,149,512.06/205,093.80 - Step 6: Final answer
x = 141,428.70
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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.