Finding the Fourth Proportional to 151,367.50, 208,893.63 and 84,299.50
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Solution
The fourth proportional to 151,367.50, 208,893.63 and 84,299.50 is: 116,336.92
Step by Step Solution
- Step 1: Write the proportion equation
151,367.50 : 208,893.63 = 84,299.50 : x - Step 2: Convert to fraction form
151,367.50/208,893.63 = 84,299.50/x - Step 3: Cross multiply
151,367.50x = 208,893.63 × 84,299.50 - Step 4: Simplify right side
151,367.50x = 17,609,628,562.19 - Step 5: Solve for x
x = 17,609,628,562.19/151,367.50 - Step 6: Final answer
x = 116,336.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.