Finding the Fourth Proportional to 146,742.29, 220,078.02 and 61,306.99
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Solution
The fourth proportional to 146,742.29, 220,078.02 and 61,306.99 is: 91,945.69
Step by Step Solution
- Step 1: Write the proportion equation
146,742.29 : 220,078.02 = 61,306.99 : x - Step 2: Convert to fraction form
146,742.29/220,078.02 = 61,306.99/x - Step 3: Cross multiply
146,742.29x = 220,078.02 × 61,306.99 - Step 4: Simplify right side
146,742.29x = 13,492,320,971.36 - Step 5: Solve for x
x = 13,492,320,971.36/146,742.29 - Step 6: Final answer
x = 91,945.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.