Finding the Fourth Proportional to 146,217.91, 201,769.45 and 82,561.99
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Solution
The fourth proportional to 146,217.91, 201,769.45 and 82,561.99 is: 113,929.18
Step by Step Solution
- Step 1: Write the proportion equation
146,217.91 : 201,769.45 = 82,561.99 : x - Step 2: Convert to fraction form
146,217.91/201,769.45 = 82,561.99/x - Step 3: Cross multiply
146,217.91x = 201,769.45 × 82,561.99 - Step 4: Simplify right side
146,217.91x = 16,658,487,313.21 - Step 5: Solve for x
x = 16,658,487,313.21/146,217.91 - Step 6: Final answer
x = 113,929.18
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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.