Finding the Fourth Proportional to 102,893.40, 154,351.17 and 32,756.31
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Solution
The fourth proportional to 102,893.40, 154,351.17 and 32,756.31 is: 49,137.99
Step by Step Solution
- Step 1: Write the proportion equation
102,893.40 : 154,351.17 = 32,756.31 : x - Step 2: Convert to fraction form
102,893.40/154,351.17 = 32,756.31/x - Step 3: Cross multiply
102,893.40x = 154,351.17 × 32,756.31 - Step 4: Simplify right side
102,893.40x = 5,055,974,773.38 - Step 5: Solve for x
x = 5,055,974,773.38/102,893.40 - Step 6: Final answer
x = 49,137.99
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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.