Finding the Fourth Proportional to 135,105.60, 202,669.65 and 40,329.53
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Solution
The fourth proportional to 135,105.60, 202,669.65 and 40,329.53 is: 60,497.65
Step by Step Solution
- Step 1: Write the proportion equation
135,105.60 : 202,669.65 = 40,329.53 : x - Step 2: Convert to fraction form
135,105.60/202,669.65 = 40,329.53/x - Step 3: Cross multiply
135,105.60x = 202,669.65 × 40,329.53 - Step 4: Simplify right side
135,105.60x = 8,173,570,716.42 - Step 5: Solve for x
x = 8,173,570,716.42/135,105.60 - Step 6: Final answer
x = 60,497.65
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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.