Finding the Fourth Proportional to 135,217.26, 202,830.98 and 40,448.70
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Solution
The fourth proportional to 135,217.26, 202,830.98 and 40,448.70 is: 60,674.57
Step by Step Solution
- Step 1: Write the proportion equation
135,217.26 : 202,830.98 = 40,448.70 : x - Step 2: Convert to fraction form
135,217.26/202,830.98 = 40,448.70/x - Step 3: Cross multiply
135,217.26x = 202,830.98 × 40,448.70 - Step 4: Simplify right side
135,217.26x = 8,204,249,258.48 - Step 5: Solve for x
x = 8,204,249,258.48/135,217.26 - Step 6: Final answer
x = 60,674.57
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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.