Finding the Fourth Proportional to 641,610.44, 885,323.26 and 369,625.12
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Solution
The fourth proportional to 641,610.44, 885,323.26 and 369,625.12 is: 510,025.55
Step by Step Solution
- Step 1: Write the proportion equation
641,610.44 : 885,323.26 = 369,625.12 : x - Step 2: Convert to fraction form
641,610.44/885,323.26 = 369,625.12/x - Step 3: Cross multiply
641,610.44x = 885,323.26 × 369,625.12 - Step 4: Simplify right side
641,610.44x = 327,237,716,216.29 - Step 5: Solve for x
x = 327,237,716,216.29/641,610.44 - Step 6: Final answer
x = 510,025.55
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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.