Finding the Fourth Proportional to 146,484.72, 202,156.92 and 82,828.08
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Solution
The fourth proportional to 146,484.72, 202,156.92 and 82,828.08 is: 114,307.28
Step by Step Solution
- Step 1: Write the proportion equation
146,484.72 : 202,156.92 = 82,828.08 : x - Step 2: Convert to fraction form
146,484.72/202,156.92 = 82,828.08/x - Step 3: Cross multiply
146,484.72x = 202,156.92 × 82,828.08 - Step 4: Simplify right side
146,484.72x = 16,744,269,542.31 - Step 5: Solve for x
x = 16,744,269,542.31/146,484.72 - Step 6: Final answer
x = 114,307.28
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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.