Finding the Fourth Proportional to 149,034.26, 205,666.26 and 84,515.69
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Solution
The fourth proportional to 149,034.26, 205,666.26 and 84,515.69 is: 116,631.07
Step by Step Solution
- Step 1: Write the proportion equation
149,034.26 : 205,666.26 = 84,515.69 : x - Step 2: Convert to fraction form
149,034.26/205,666.26 = 84,515.69/x - Step 3: Cross multiply
149,034.26x = 205,666.26 × 84,515.69 - Step 4: Simplify right side
149,034.26x = 17,382,025,873.62 - Step 5: Solve for x
x = 17,382,025,873.62/149,034.26 - Step 6: Final answer
x = 116,631.07
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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.