Finding the Fourth Proportional to 255,367.08, 352,391.58 and 147,930.12
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Solution
The fourth proportional to 255,367.08, 352,391.58 and 147,930.12 is: 204,134.88
Step by Step Solution
- Step 1: Write the proportion equation
255,367.08 : 352,391.58 = 147,930.12 : x - Step 2: Convert to fraction form
255,367.08/352,391.58 = 147,930.12/x - Step 3: Cross multiply
255,367.08x = 352,391.58 × 147,930.12 - Step 4: Simplify right side
255,367.08x = 52,129,328,716.39 - Step 5: Solve for x
x = 52,129,328,716.39/255,367.08 - Step 6: Final answer
x = 204,134.88
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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.