Finding the Fourth Proportional to 128,477.46, 192,702.36 and 33,717.14
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Solution
The fourth proportional to 128,477.46, 192,702.36 and 33,717.14 is: 50,572.09
Step by Step Solution
- Step 1: Write the proportion equation
128,477.46 : 192,702.36 = 33,717.14 : x - Step 2: Convert to fraction form
128,477.46/192,702.36 = 33,717.14/x - Step 3: Cross multiply
128,477.46x = 192,702.36 × 33,717.14 - Step 4: Simplify right side
128,477.46x = 6,497,373,230.30 - Step 5: Solve for x
x = 6,497,373,230.30/128,477.46 - Step 6: Final answer
x = 50,572.09
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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.