Finding the Fourth Proportional to 80,218.67, 110,702.63 and 44,409.31
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Solution
The fourth proportional to 80,218.67, 110,702.63 and 44,409.31 is: 61,285.33
Step by Step Solution
- Step 1: Write the proportion equation
80,218.67 : 110,702.63 = 44,409.31 : x - Step 2: Convert to fraction form
80,218.67/110,702.63 = 44,409.31/x - Step 3: Cross multiply
80,218.67x = 110,702.63 × 44,409.31 - Step 4: Simplify right side
80,218.67x = 4,916,227,247.75 - Step 5: Solve for x
x = 4,916,227,247.75/80,218.67 - Step 6: Final answer
x = 61,285.33
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1.5x scale
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.