Finding the Fourth Proportional to 135,448.09, 203,185.49 and 46,689.91
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Solution
The fourth proportional to 135,448.09, 203,185.49 and 46,689.91 is: 70,039.46
Step by Step Solution
- Step 1: Write the proportion equation
135,448.09 : 203,185.49 = 46,689.91 : x - Step 2: Convert to fraction form
135,448.09/203,185.49 = 46,689.91/x - Step 3: Cross multiply
135,448.09x = 203,185.49 × 46,689.91 - Step 4: Simplify right side
135,448.09x = 9,486,711,342.20 - Step 5: Solve for x
x = 9,486,711,342.20/135,448.09 - Step 6: Final answer
x = 70,039.46
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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.