Finding the Fourth Proportional to 262,435.07, 393,715.08 and 84,942.07
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Solution
The fourth proportional to 262,435.07, 393,715.08 and 84,942.07 is: 127,433.32
Step by Step Solution
- Step 1: Write the proportion equation
262,435.07 : 393,715.08 = 84,942.07 : x - Step 2: Convert to fraction form
262,435.07/393,715.08 = 84,942.07/x - Step 3: Cross multiply
262,435.07x = 393,715.08 × 84,942.07 - Step 4: Simplify right side
262,435.07x = 33,442,972,901.13 - Step 5: Solve for x
x = 33,442,972,901.13/262,435.07 - Step 6: Final answer
x = 127,433.32
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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.