Finding the Fourth Proportional to 135,211.20, 202,816.80 and 122,308.80
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Solution
The fourth proportional to 135,211.20, 202,816.80 and 122,308.80 is: 183,463.20
Step by Step Solution
- Step 1: Write the proportion equation
135,211.20 : 202,816.80 = 122,308.80 : x - Step 2: Convert to fraction form
135,211.20/202,816.80 = 122,308.80/x - Step 3: Cross multiply
135,211.20x = 202,816.80 × 122,308.80 - Step 4: Simplify right side
135,211.20x = 24,806,279,427.84 - Step 5: Solve for x
x = 24,806,279,427.84/135,211.20 - Step 6: Final answer
x = 183,463.20
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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.