Finding the Fourth Proportional to 135,140.39, 202,729.21 and 46,382.37
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Solution
The fourth proportional to 135,140.39, 202,729.21 and 46,382.37 is: 69,579.95
Step by Step Solution
- Step 1: Write the proportion equation
135,140.39 : 202,729.21 = 46,382.37 : x - Step 2: Convert to fraction form
135,140.39/202,729.21 = 46,382.37/x - Step 3: Cross multiply
135,140.39x = 202,729.21 × 46,382.37 - Step 4: Simplify right side
135,140.39x = 9,403,061,228.03 - Step 5: Solve for x
x = 9,403,061,228.03/135,140.39 - Step 6: Final answer
x = 69,579.95
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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.