Finding the Fourth Proportional to 135,463.16, 203,325.96 and 65,391.68
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Solution
The fourth proportional to 135,463.16, 203,325.96 and 65,391.68 is: 98,150.86
Step by Step Solution
- Step 1: Write the proportion equation
135,463.16 : 203,325.96 = 65,391.68 : x - Step 2: Convert to fraction form
135,463.16/203,325.96 = 65,391.68/x - Step 3: Cross multiply
135,463.16x = 203,325.96 × 65,391.68 - Step 4: Simplify right side
135,463.16x = 13,295,826,112.01 - Step 5: Solve for x
x = 13,295,826,112.01/135,463.16 - Step 6: Final answer
x = 98,150.86
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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.