Finding the Fourth Proportional to 135,129.42, 202,722.84 and 40,358.58
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Solution
The fourth proportional to 135,129.42, 202,722.84 and 40,358.58 is: 60,546.44
Step by Step Solution
- Step 1: Write the proportion equation
135,129.42 : 202,722.84 = 40,358.58 : x - Step 2: Convert to fraction form
135,129.42/202,722.84 = 40,358.58/x - Step 3: Cross multiply
135,129.42x = 202,722.84 × 40,358.58 - Step 4: Simplify right side
135,129.42x = 8,181,605,955.97 - Step 5: Solve for x
x = 8,181,605,955.97/135,129.42 - Step 6: Final answer
x = 60,546.44
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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.