Finding the Fourth Proportional to 208,588.26, 312,107.33 and 124,394.23
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Solution
The fourth proportional to 208,588.26, 312,107.33 and 124,394.23 is: 186,129.12
Step by Step Solution
- Step 1: Write the proportion equation
208,588.26 : 312,107.33 = 124,394.23 : x - Step 2: Convert to fraction form
208,588.26/312,107.33 = 124,394.23/x - Step 3: Cross multiply
208,588.26x = 312,107.33 × 124,394.23 - Step 4: Simplify right side
208,588.26x = 38,824,350,994.11 - Step 5: Solve for x
x = 38,824,350,994.11/208,588.26 - Step 6: Final answer
x = 186,129.12
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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.