Finding the Fourth Proportional to 113,979.17, 170,968.80 and 29,739.23
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Solution
The fourth proportional to 113,979.17, 170,968.80 and 29,739.23 is: 44,608.85
Step by Step Solution
- Step 1: Write the proportion equation
113,979.17 : 170,968.80 = 29,739.23 : x - Step 2: Convert to fraction form
113,979.17/170,968.80 = 29,739.23/x - Step 3: Cross multiply
113,979.17x = 170,968.80 × 29,739.23 - Step 4: Simplify right side
113,979.17x = 5,084,479,611.18 - Step 5: Solve for x
x = 5,084,479,611.18/113,979.17 - Step 6: Final answer
x = 44,608.85
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1.5x scale
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.