Finding the Fourth Proportional to 377,644.36, 521,161.62 and 207,891.40
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Solution
The fourth proportional to 377,644.36, 521,161.62 and 207,891.40 is: 286,896.96
Step by Step Solution
- Step 1: Write the proportion equation
377,644.36 : 521,161.62 = 207,891.40 : x - Step 2: Convert to fraction form
377,644.36/521,161.62 = 207,891.40/x - Step 3: Cross multiply
377,644.36x = 521,161.62 × 207,891.40 - Step 4: Simplify right side
377,644.36x = 108,345,018,808.07 - Step 5: Solve for x
x = 108,345,018,808.07/377,644.36 - Step 6: Final answer
x = 286,896.96
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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.