Finding the Fourth Proportional to 165,639.93, 228,584.19 and 94,021.14
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Solution
The fourth proportional to 165,639.93, 228,584.19 and 94,021.14 is: 129,749.79
Step by Step Solution
- Step 1: Write the proportion equation
165,639.93 : 228,584.19 = 94,021.14 : x - Step 2: Convert to fraction form
165,639.93/228,584.19 = 94,021.14/x - Step 3: Cross multiply
165,639.93x = 228,584.19 × 94,021.14 - Step 4: Simplify right side
165,639.93x = 21,491,746,129.78 - Step 5: Solve for x
x = 21,491,746,129.78/165,639.93 - Step 6: Final answer
x = 129,749.79
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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.