Finding the Fourth Proportional to 146,572.88, 202,270.64 and 82,909.31
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Solution
The fourth proportional to 146,572.88, 202,270.64 and 82,909.31 is: 114,414.88
Step by Step Solution
- Step 1: Write the proportion equation
146,572.88 : 202,270.64 = 82,909.31 : x - Step 2: Convert to fraction form
146,572.88/202,270.64 = 82,909.31/x - Step 3: Cross multiply
146,572.88x = 202,270.64 × 82,909.31 - Step 4: Simplify right side
146,572.88x = 16,770,117,769.76 - Step 5: Solve for x
x = 16,770,117,769.76/146,572.88 - Step 6: Final answer
x = 114,414.88
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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.