Finding the Fourth Proportional to 219,647.12, 303,110.76 and 122,849.92
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Solution
The fourth proportional to 219,647.12, 303,110.76 and 122,849.92 is: 169,531.62
Step by Step Solution
- Step 1: Write the proportion equation
219,647.12 : 303,110.76 = 122,849.92 : x - Step 2: Convert to fraction form
219,647.12/303,110.76 = 122,849.92/x - Step 3: Cross multiply
219,647.12x = 303,110.76 × 122,849.92 - Step 4: Simplify right side
219,647.12x = 37,237,132,617.14 - Step 5: Solve for x
x = 37,237,132,617.14/219,647.12 - Step 6: Final answer
x = 169,531.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.