Finding the Fourth Proportional to 135,309.40, 202,964.10 and 41,843.80
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Solution
The fourth proportional to 135,309.40, 202,964.10 and 41,843.80 is: 62,765.70
Step by Step Solution
- Step 1: Write the proportion equation
135,309.40 : 202,964.10 = 41,843.80 : x - Step 2: Convert to fraction form
135,309.40/202,964.10 = 41,843.80/x - Step 3: Cross multiply
135,309.40x = 202,964.10 × 41,843.80 - Step 4: Simplify right side
135,309.40x = 8,492,789,207.58 - Step 5: Solve for x
x = 8,492,789,207.58/135,309.40 - Step 6: Final answer
x = 62,765.70
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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.