Finding the Fourth Proportional to 128,559.48, 192,963.60 and 62,046.44
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Solution
The fourth proportional to 128,559.48, 192,963.60 and 62,046.44 is: 93,129.68
Step by Step Solution
- Step 1: Write the proportion equation
128,559.48 : 192,963.60 = 62,046.44 : x - Step 2: Convert to fraction form
128,559.48/192,963.60 = 62,046.44/x - Step 3: Cross multiply
128,559.48x = 192,963.60 × 62,046.44 - Step 4: Simplify right side
128,559.48x = 11,972,703,697.44 - Step 5: Solve for x
x = 11,972,703,697.44/128,559.48 - Step 6: Final answer
x = 93,129.68
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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.