Finding the Fourth Proportional to 326,845.39, 490,366.55 and 116,455.99
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Solution
The fourth proportional to 326,845.39, 490,366.55 and 116,455.99 is: 174,719.07
Step by Step Solution
- Step 1: Write the proportion equation
326,845.39 : 490,366.55 = 116,455.99 : x - Step 2: Convert to fraction form
326,845.39/490,366.55 = 116,455.99/x - Step 3: Cross multiply
326,845.39x = 490,366.55 × 116,455.99 - Step 4: Simplify right side
326,845.39x = 57,106,122,043.13 - Step 5: Solve for x
x = 57,106,122,043.13/326,845.39 - Step 6: Final answer
x = 174,719.07
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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.