Finding the Fourth Proportional to 368,131.23, 552,020.06 and 218,390.99
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Solution
The fourth proportional to 368,131.23, 552,020.06 and 218,390.99 is: 327,481.60
Step by Step Solution
- Step 1: Write the proportion equation
368,131.23 : 552,020.06 = 218,390.99 : x - Step 2: Convert to fraction form
368,131.23/552,020.06 = 218,390.99/x - Step 3: Cross multiply
368,131.23x = 552,020.06 × 218,390.99 - Step 4: Simplify right side
368,131.23x = 120,556,205,189.14 - Step 5: Solve for x
x = 120,556,205,189.14/368,131.23 - Step 6: Final answer
x = 327,481.60
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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.