Finding the Fourth Proportional to 339,394.68, 509,098.50 and 102,736.44
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Solution
The fourth proportional to 339,394.68, 509,098.50 and 102,736.44 is: 154,106.62
Step by Step Solution
- Step 1: Write the proportion equation
339,394.68 : 509,098.50 = 102,736.44 : x - Step 2: Convert to fraction form
339,394.68/509,098.50 = 102,736.44/x - Step 3: Cross multiply
339,394.68x = 509,098.50 × 102,736.44 - Step 4: Simplify right side
339,394.68x = 52,302,967,499.34 - Step 5: Solve for x
x = 52,302,967,499.34/339,394.68 - Step 6: Final answer
x = 154,106.62
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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.