Finding the Fourth Proportional to 170,847.18, 235,733.13 and 99,190.26
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Solution
The fourth proportional to 170,847.18, 235,733.13 and 99,190.26 is: 136,861.67
Step by Step Solution
- Step 1: Write the proportion equation
170,847.18 : 235,733.13 = 99,190.26 : x - Step 2: Convert to fraction form
170,847.18/235,733.13 = 99,190.26/x - Step 3: Cross multiply
170,847.18x = 235,733.13 × 99,190.26 - Step 4: Simplify right side
170,847.18x = 23,382,430,455.31 - Step 5: Solve for x
x = 23,382,430,455.31/170,847.18 - Step 6: Final answer
x = 136,861.67
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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.