Finding the Fourth Proportional to 202,815.70, 303,640.35 and 124,083.70
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Solution
The fourth proportional to 202,815.70, 303,640.35 and 124,083.70 is: 185,768.75
Step by Step Solution
- Step 1: Write the proportion equation
202,815.70 : 303,640.35 = 124,083.70 : x - Step 2: Convert to fraction form
202,815.70/303,640.35 = 124,083.70/x - Step 3: Cross multiply
202,815.70x = 303,640.35 × 124,083.70 - Step 4: Simplify right side
202,815.70x = 37,676,818,097.30 - Step 5: Solve for x
x = 37,676,818,097.30/202,815.70 - Step 6: Final answer
x = 185,768.75
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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.