Finding the Fourth Proportional to 329,639.99, 454,905.92 and 178,736.99
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Solution
The fourth proportional to 329,639.99, 454,905.92 and 178,736.99 is: 246,658.53
Step by Step Solution
- Step 1: Write the proportion equation
329,639.99 : 454,905.92 = 178,736.99 : x - Step 2: Convert to fraction form
329,639.99/454,905.92 = 178,736.99/x - Step 3: Cross multiply
329,639.99x = 454,905.92 × 178,736.99 - Step 4: Simplify right side
329,639.99x = 81,308,514,873.98 - Step 5: Solve for x
x = 81,308,514,873.98/329,639.99 - Step 6: Final answer
x = 246,658.53
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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.