Finding the Fourth Proportional to 135,109.80, 202,664.70 and 36,613.80
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Solution
The fourth proportional to 135,109.80, 202,664.70 and 36,613.80 is: 54,920.70
Step by Step Solution
- Step 1: Write the proportion equation
135,109.80 : 202,664.70 = 36,613.80 : x - Step 2: Convert to fraction form
135,109.80/202,664.70 = 36,613.80/x - Step 3: Cross multiply
135,109.80x = 202,664.70 × 36,613.80 - Step 4: Simplify right side
135,109.80x = 7,420,324,792.86 - Step 5: Solve for x
x = 7,420,324,792.86/135,109.80 - Step 6: Final answer
x = 54,920.70
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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.