Finding the Fourth Proportional to 164,542.80, 246,814.20 and 39,883.80
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Solution
The fourth proportional to 164,542.80, 246,814.20 and 39,883.80 is: 59,825.70
Step by Step Solution
- Step 1: Write the proportion equation
164,542.80 : 246,814.20 = 39,883.80 : x - Step 2: Convert to fraction form
164,542.80/246,814.20 = 39,883.80/x - Step 3: Cross multiply
164,542.80x = 246,814.20 × 39,883.80 - Step 4: Simplify right side
164,542.80x = 9,843,888,189.96 - Step 5: Solve for x
x = 9,843,888,189.96/164,542.80 - Step 6: Final answer
x = 59,825.70
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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.