Finding the Fourth Proportional to 135,122.50, 202,683.75 and 36,626.50
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Solution
The fourth proportional to 135,122.50, 202,683.75 and 36,626.50 is: 54,939.75
Step by Step Solution
- Step 1: Write the proportion equation
135,122.50 : 202,683.75 = 36,626.50 : x - Step 2: Convert to fraction form
135,122.50/202,683.75 = 36,626.50/x - Step 3: Cross multiply
135,122.50x = 202,683.75 × 36,626.50 - Step 4: Simplify right side
135,122.50x = 7,423,596,369.38 - Step 5: Solve for x
x = 7,423,596,369.38/135,122.50 - Step 6: Final answer
x = 54,939.75
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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.