Finding the Fourth Proportional to 219,395.75, 329,093.63 and 53,183.75
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Solution
The fourth proportional to 219,395.75, 329,093.63 and 53,183.75 is: 79,775.63
Step by Step Solution
- Step 1: Write the proportion equation
219,395.75 : 329,093.63 = 53,183.75 : x - Step 2: Convert to fraction form
219,395.75/329,093.63 = 53,183.75/x - Step 3: Cross multiply
219,395.75x = 329,093.63 × 53,183.75 - Step 4: Simplify right side
219,395.75x = 17,502,433,078.59 - Step 5: Solve for x
x = 17,502,433,078.59/219,395.75 - Step 6: Final answer
x = 79,775.63
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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.