Finding the Fourth Proportional to 235,113.20, 352,516.44 and 85,325.12
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Solution
The fourth proportional to 235,113.20, 352,516.44 and 85,325.12 is: 127,932.02
Step by Step Solution
- Step 1: Write the proportion equation
235,113.20 : 352,516.44 = 85,325.12 : x - Step 2: Convert to fraction form
235,113.20/352,516.44 = 85,325.12/x - Step 3: Cross multiply
235,113.20x = 352,516.44 × 85,325.12 - Step 4: Simplify right side
235,113.20x = 30,078,507,544.97 - Step 5: Solve for x
x = 30,078,507,544.97/235,113.20 - Step 6: Final answer
x = 127,932.02
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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.