Finding the Fourth Proportional to 146,412.84, 202,071.39 and 92,702.84
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Solution
The fourth proportional to 146,412.84, 202,071.39 and 92,702.84 is: 127,943.64
Step by Step Solution
- Step 1: Write the proportion equation
146,412.84 : 202,071.39 = 92,702.84 : x - Step 2: Convert to fraction form
146,412.84/202,071.39 = 92,702.84/x - Step 3: Cross multiply
146,412.84x = 202,071.39 × 92,702.84 - Step 4: Simplify right side
146,412.84x = 18,732,591,735.75 - Step 5: Solve for x
x = 18,732,591,735.75/146,412.84 - Step 6: Final answer
x = 127,943.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.