Finding the Fourth Proportional to 218,437.36, 327,400.38 and 83,412.99
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Solution
The fourth proportional to 218,437.36, 327,400.38 and 83,412.99 is: 125,021.86
Step by Step Solution
- Step 1: Write the proportion equation
218,437.36 : 327,400.38 = 83,412.99 : x - Step 2: Convert to fraction form
218,437.36/327,400.38 = 83,412.99/x - Step 3: Cross multiply
218,437.36x = 327,400.38 × 83,412.99 - Step 4: Simplify right side
218,437.36x = 27,309,444,622.94 - Step 5: Solve for x
x = 27,309,444,622.94/218,437.36 - Step 6: Final answer
x = 125,021.86
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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.