Finding the Fourth Proportional to 218,997.92, 328,555.27 and 69,241.02
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Solution
The fourth proportional to 218,997.92, 328,555.27 and 69,241.02 is: 103,879.99
Step by Step Solution
- Step 1: Write the proportion equation
218,997.92 : 328,555.27 = 69,241.02 : x - Step 2: Convert to fraction form
218,997.92/328,555.27 = 69,241.02/x - Step 3: Cross multiply
218,997.92x = 328,555.27 × 69,241.02 - Step 4: Simplify right side
218,997.92x = 22,749,502,021.18 - Step 5: Solve for x
x = 22,749,502,021.18/218,997.92 - Step 6: Final answer
x = 103,879.99
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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.