Finding the Fourth Proportional to 202,187.70, 303,346.35 and 135,702.90
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Solution
The fourth proportional to 202,187.70, 303,346.35 and 135,702.90 is: 203,597.84
Step by Step Solution
- Step 1: Write the proportion equation
202,187.70 : 303,346.35 = 135,702.90 : x - Step 2: Convert to fraction form
202,187.70/303,346.35 = 135,702.90/x - Step 3: Cross multiply
202,187.70x = 303,346.35 × 135,702.90 - Step 4: Simplify right side
202,187.70x = 41,164,979,399.42 - Step 5: Solve for x
x = 41,164,979,399.42/202,187.70 - Step 6: Final answer
x = 203,597.84
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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.