Finding the Fourth Proportional to 329,857.36, 494,784.76 and 119,446.08
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Solution
The fourth proportional to 329,857.36, 494,784.76 and 119,446.08 is: 179,168.66
Step by Step Solution
- Step 1: Write the proportion equation
329,857.36 : 494,784.76 = 119,446.08 : x - Step 2: Convert to fraction form
329,857.36/494,784.76 = 119,446.08/x - Step 3: Cross multiply
329,857.36x = 494,784.76 × 119,446.08 - Step 4: Simplify right side
329,857.36x = 59,100,100,025.74 - Step 5: Solve for x
x = 59,100,100,025.74/329,857.36 - Step 6: Final answer
x = 179,168.66
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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.