Finding the Fourth Proportional to 218,633.85, 327,950.78 and 125,073.99
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Solution
The fourth proportional to 218,633.85, 327,950.78 and 125,073.99 is: 187,610.99
Step by Step Solution
- Step 1: Write the proportion equation
218,633.85 : 327,950.78 = 125,073.99 : x - Step 2: Convert to fraction form
218,633.85/327,950.78 = 125,073.99/x - Step 3: Cross multiply
218,633.85x = 327,950.78 × 125,073.99 - Step 4: Simplify right side
218,633.85x = 41,018,111,952.84 - Step 5: Solve for x
x = 41,018,111,952.84/218,633.85 - Step 6: Final answer
x = 187,610.99
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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.