Finding the Fourth Proportional to 235,613.94, 353,490.57 and 135,845.70
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Solution
The fourth proportional to 235,613.94, 353,490.57 and 135,845.70 is: 203,808.71
Step by Step Solution
- Step 1: Write the proportion equation
235,613.94 : 353,490.57 = 135,845.70 : x - Step 2: Convert to fraction form
235,613.94/353,490.57 = 135,845.70/x - Step 3: Cross multiply
235,613.94x = 353,490.57 × 135,845.70 - Step 4: Simplify right side
235,613.94x = 48,020,173,925.05 - Step 5: Solve for x
x = 48,020,173,925.05/235,613.94 - Step 6: Final answer
x = 203,808.71
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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.