Finding the Fourth Proportional to 135,673.92, 203,286.53 and 46,878.08
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Solution
The fourth proportional to 135,673.92, 203,286.53 and 46,878.08 is: 70,239.60
Step by Step Solution
- Step 1: Write the proportion equation
135,673.92 : 203,286.53 = 46,878.08 : x - Step 2: Convert to fraction form
135,673.92/203,286.53 = 46,878.08/x - Step 3: Cross multiply
135,673.92x = 203,286.53 × 46,878.08 - Step 4: Simplify right side
135,673.92x = 9,529,681,317.02 - Step 5: Solve for x
x = 9,529,681,317.02/135,673.92 - Step 6: Final answer
x = 70,239.60
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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.