Finding the Fourth Proportional to 135,822.06, 203,751.68 and 51,591.08
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Solution
The fourth proportional to 135,822.06, 203,751.68 and 51,591.08 is: 77,393.68
Step by Step Solution
- Step 1: Write the proportion equation
135,822.06 : 203,751.68 = 51,591.08 : x - Step 2: Convert to fraction form
135,822.06/203,751.68 = 51,591.08/x - Step 3: Cross multiply
135,822.06x = 203,751.68 × 51,591.08 - Step 4: Simplify right side
135,822.06x = 10,511,769,223.01 - Step 5: Solve for x
x = 10,511,769,223.01/135,822.06 - Step 6: Final answer
x = 77,393.68
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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.