Finding the Fourth Proportional to 377,431.14, 520,859.13 and 205,350.09
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Solution
The fourth proportional to 377,431.14, 520,859.13 and 205,350.09 is: 283,385.38
Step by Step Solution
- Step 1: Write the proportion equation
377,431.14 : 520,859.13 = 205,350.09 : x - Step 2: Convert to fraction form
377,431.14/520,859.13 = 205,350.09/x - Step 3: Cross multiply
377,431.14x = 520,859.13 × 205,350.09 - Step 4: Simplify right side
377,431.14x = 106,958,466,499.54 - Step 5: Solve for x
x = 106,958,466,499.54/377,431.14 - Step 6: Final answer
x = 283,385.38
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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.