Finding the Fourth Proportional to 405,887.94, 560,013.66 and 252,950.94
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Solution
The fourth proportional to 405,887.94, 560,013.66 and 252,950.94 is: 349,002.69
Step by Step Solution
- Step 1: Write the proportion equation
405,887.94 : 560,013.66 = 252,950.94 : x - Step 2: Convert to fraction form
405,887.94/560,013.66 = 252,950.94/x - Step 3: Cross multiply
405,887.94x = 560,013.66 × 252,950.94 - Step 4: Simplify right side
405,887.94x = 141,655,981,709.84 - Step 5: Solve for x
x = 141,655,981,709.84/405,887.94 - Step 6: Final answer
x = 349,002.69
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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.