Finding the Fourth Proportional to 208,083.70, 312,125.55 and 173,091.70
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Solution
The fourth proportional to 208,083.70, 312,125.55 and 173,091.70 is: 259,637.55
Step by Step Solution
- Step 1: Write the proportion equation
208,083.70 : 312,125.55 = 173,091.70 : x - Step 2: Convert to fraction form
208,083.70/312,125.55 = 173,091.70/x - Step 3: Cross multiply
208,083.70x = 312,125.55 × 173,091.70 - Step 4: Simplify right side
208,083.70x = 54,026,342,062.94 - Step 5: Solve for x
x = 54,026,342,062.94/208,083.70 - Step 6: Final answer
x = 259,637.55
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1.5x scale
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.