Finding the Fourth Proportional to 329,341.53, 454,491.36 and 178,438.53
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Solution
The fourth proportional to 329,341.53, 454,491.36 and 178,438.53 is: 246,245.20
Step by Step Solution
- Step 1: Write the proportion equation
329,341.53 : 454,491.36 = 178,438.53 : x - Step 2: Convert to fraction form
329,341.53/454,491.36 = 178,438.53/x - Step 3: Cross multiply
329,341.53x = 454,491.36 × 178,438.53 - Step 4: Simplify right side
329,341.53x = 81,098,770,176.10 - Step 5: Solve for x
x = 81,098,770,176.10/329,341.53 - Step 6: Final answer
x = 246,245.20
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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.