Finding the Fourth Proportional to 329,137.68, 454,207.40 and 178,234.68
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Solution
The fourth proportional to 329,137.68, 454,207.40 and 178,234.68 is: 245,962.45
Step by Step Solution
- Step 1: Write the proportion equation
329,137.68 : 454,207.40 = 178,234.68 : x - Step 2: Convert to fraction form
329,137.68/454,207.40 = 178,234.68/x - Step 3: Cross multiply
329,137.68x = 454,207.40 × 178,234.68 - Step 4: Simplify right side
329,137.68x = 80,955,510,592.63 - Step 5: Solve for x
x = 80,955,510,592.63/329,137.68 - Step 6: Final answer
x = 245,962.45
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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.