Finding the Fourth Proportional to 274,194.51, 411,138.94 and 84,601.05
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Solution
The fourth proportional to 274,194.51, 411,138.94 and 84,601.05 is: 126,854.42
Step by Step Solution
- Step 1: Write the proportion equation
274,194.51 : 411,138.94 = 84,601.05 : x - Step 2: Convert to fraction form
274,194.51/411,138.94 = 84,601.05/x - Step 3: Cross multiply
274,194.51x = 411,138.94 × 84,601.05 - Step 4: Simplify right side
274,194.51x = 34,782,783,541.19 - Step 5: Solve for x
x = 34,782,783,541.19/274,194.51 - Step 6: Final answer
x = 126,854.42
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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.