Finding the Fourth Proportional to 135,112.14, 202,697.19 and 40,349.79
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Solution
The fourth proportional to 135,112.14, 202,697.19 and 40,349.79 is: 60,533.34
Step by Step Solution
- Step 1: Write the proportion equation
135,112.14 : 202,697.19 = 40,349.79 : x - Step 2: Convert to fraction form
135,112.14/202,697.19 = 40,349.79/x - Step 3: Cross multiply
135,112.14x = 202,697.19 × 40,349.79 - Step 4: Simplify right side
135,112.14x = 8,178,789,050.09 - Step 5: Solve for x
x = 8,178,789,050.09/135,112.14 - Step 6: Final answer
x = 60,533.34
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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.