Finding the Fourth Proportional to 135,463.06, 203,135.70 and 72,269.09
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Solution
The fourth proportional to 135,463.06, 203,135.70 and 72,269.09 is: 108,372.21
Step by Step Solution
- Step 1: Write the proportion equation
135,463.06 : 203,135.70 = 72,269.09 : x - Step 2: Convert to fraction form
135,463.06/203,135.70 = 72,269.09/x - Step 3: Cross multiply
135,463.06x = 203,135.70 × 72,269.09 - Step 4: Simplify right side
135,463.06x = 14,680,431,224.77 - Step 5: Solve for x
x = 14,680,431,224.77/135,463.06 - Step 6: Final answer
x = 108,372.21
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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.