Finding the Fourth Proportional to 84,194.36, 126,296.79 and 28,039.49
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Solution
The fourth proportional to 84,194.36, 126,296.79 and 28,039.49 is: 42,060.98
Step by Step Solution
- Step 1: Write the proportion equation
84,194.36 : 126,296.79 = 28,039.49 : x - Step 2: Convert to fraction form
84,194.36/126,296.79 = 28,039.49/x - Step 3: Cross multiply
84,194.36x = 126,296.79 × 28,039.49 - Step 4: Simplify right side
84,194.36x = 3,541,297,580.24 - Step 5: Solve for x
x = 3,541,297,580.24/84,194.36 - Step 6: Final answer
x = 42,060.98
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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.