Finding the Fourth Proportional to 329,735.70, 455,038.16 and 178,832.70
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Solution
The fourth proportional to 329,735.70, 455,038.16 and 178,832.70 is: 246,790.69
Step by Step Solution
- Step 1: Write the proportion equation
329,735.70 : 455,038.16 = 178,832.70 : x - Step 2: Convert to fraction form
329,735.70/455,038.16 = 178,832.70/x - Step 3: Cross multiply
329,735.70x = 455,038.16 × 178,832.70 - Step 4: Simplify right side
329,735.70x = 81,375,701,861.67 - Step 5: Solve for x
x = 81,375,701,861.67/329,735.70 - Step 6: Final answer
x = 246,790.69
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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.