Finding the Fourth Proportional to 329,318.24, 454,456.32 and 178,414.88
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Solution
The fourth proportional to 329,318.24, 454,456.32 and 178,414.88 is: 246,210.99
Step by Step Solution
- Step 1: Write the proportion equation
329,318.24 : 454,456.32 = 178,414.88 : x - Step 2: Convert to fraction form
329,318.24/454,456.32 = 178,414.88/x - Step 3: Cross multiply
329,318.24x = 454,456.32 × 178,414.88 - Step 4: Simplify right side
329,318.24x = 81,081,769,798.04 - Step 5: Solve for x
x = 81,081,769,798.04/329,318.24 - Step 6: Final answer
x = 246,210.99
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1.5x scale
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.