Finding the Fourth Proportional to 135,369.75, 203,054.63 and 36,873.75
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Solution
The fourth proportional to 135,369.75, 203,054.63 and 36,873.75 is: 55,310.63
Step by Step Solution
- Step 1: Write the proportion equation
135,369.75 : 203,054.63 = 36,873.75 : x - Step 2: Convert to fraction form
135,369.75/203,054.63 = 36,873.75/x - Step 3: Cross multiply
135,369.75x = 203,054.63 × 36,873.75 - Step 4: Simplify right side
135,369.75x = 7,487,385,478.59 - Step 5: Solve for x
x = 7,487,385,478.59/135,369.75 - Step 6: Final answer
x = 55,310.63
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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.