Finding the Fourth Proportional to 178,976.94, 246,956.04 and 101,452.84
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Solution
The fourth proportional to 178,976.94, 246,956.04 and 101,452.84 is: 139,986.70
Step by Step Solution
- Step 1: Write the proportion equation
178,976.94 : 246,956.04 = 101,452.84 : x - Step 2: Convert to fraction form
178,976.94/246,956.04 = 101,452.84/x - Step 3: Cross multiply
178,976.94x = 246,956.04 × 101,452.84 - Step 4: Simplify right side
178,976.94x = 25,054,391,613.15 - Step 5: Solve for x
x = 25,054,391,613.15/178,976.94 - Step 6: Final answer
x = 139,986.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.