Finding the Fourth Proportional to 379,704.96, 523,993.74 and 207,634.08
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Solution
The fourth proportional to 379,704.96, 523,993.74 and 207,634.08 is: 286,535.52
Step by Step Solution
- Step 1: Write the proportion equation
379,704.96 : 523,993.74 = 207,634.08 : x - Step 2: Convert to fraction form
379,704.96/523,993.74 = 207,634.08/x - Step 3: Cross multiply
379,704.96x = 523,993.74 × 207,634.08 - Step 4: Simplify right side
379,704.96x = 108,798,958,130.66 - Step 5: Solve for x
x = 108,798,958,130.66/379,704.96 - Step 6: Final answer
x = 286,535.52
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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.