Finding the Fourth Proportional to 135,062.80, 202,326.90 and 118,441.60
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Solution
The fourth proportional to 135,062.80, 202,326.90 and 118,441.60 is: 177,427.99
Step by Step Solution
- Step 1: Write the proportion equation
135,062.80 : 202,326.90 = 118,441.60 : x - Step 2: Convert to fraction form
135,062.80/202,326.90 = 118,441.60/x - Step 3: Cross multiply
135,062.80x = 202,326.90 × 118,441.60 - Step 4: Simplify right side
135,062.80x = 23,963,921,759.04 - Step 5: Solve for x
x = 23,963,921,759.04/135,062.80 - Step 6: Final answer
x = 177,427.99
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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.