Finding the Fourth Proportional to 146,449.92, 202,122.48 and 92,739.84
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Solution
The fourth proportional to 146,449.92, 202,122.48 and 92,739.84 is: 127,994.65
Step by Step Solution
- Step 1: Write the proportion equation
146,449.92 : 202,122.48 = 92,739.84 : x - Step 2: Convert to fraction form
146,449.92/202,122.48 = 92,739.84/x - Step 3: Cross multiply
146,449.92x = 202,122.48 × 92,739.84 - Step 4: Simplify right side
146,449.92x = 18,744,806,455.60 - Step 5: Solve for x
x = 18,744,806,455.60/146,449.92 - Step 6: Final answer
x = 127,994.65
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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.