Finding the Fourth Proportional to 135,231.60, 202,555.80 and 135,231.60
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Solution
The fourth proportional to 135,231.60, 202,555.80 and 135,231.60 is: 202,555.80
Step by Step Solution
- Step 1: Write the proportion equation
135,231.60 : 202,555.80 = 135,231.60 : x - Step 2: Convert to fraction form
135,231.60/202,555.80 = 135,231.60/x - Step 3: Cross multiply
135,231.60x = 202,555.80 × 135,231.60 - Step 4: Simplify right side
135,231.60x = 27,391,944,923.28 - Step 5: Solve for x
x = 27,391,944,923.28/135,231.60 - Step 6: Final answer
x = 202,555.80
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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.