Finding the Fourth Proportional to 377,544.63, 520,936.07 and 216,450.21
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Solution
The fourth proportional to 377,544.63, 520,936.07 and 216,450.21 is: 298,657.99
Step by Step Solution
- Step 1: Write the proportion equation
377,544.63 : 520,936.07 = 216,450.21 : x - Step 2: Convert to fraction form
377,544.63/520,936.07 = 216,450.21/x - Step 3: Cross multiply
377,544.63x = 520,936.07 × 216,450.21 - Step 4: Simplify right side
377,544.63x = 112,756,720,665.82 - Step 5: Solve for x
x = 112,756,720,665.82/377,544.63 - Step 6: Final answer
x = 298,657.99
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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.