Finding the Fourth Proportional to 135,079.29, 202,618.94 and 50,858.35
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Solution
The fourth proportional to 135,079.29, 202,618.94 and 50,858.35 is: 76,287.52
Step by Step Solution
- Step 1: Write the proportion equation
135,079.29 : 202,618.94 = 50,858.35 : x - Step 2: Convert to fraction form
135,079.29/202,618.94 = 50,858.35/x - Step 3: Cross multiply
135,079.29x = 202,618.94 × 50,858.35 - Step 4: Simplify right side
135,079.29x = 10,304,864,206.31 - Step 5: Solve for x
x = 10,304,864,206.31/135,079.29 - Step 6: Final answer
x = 76,287.52
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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.