Finding the Fourth Proportional to 491,167.68, 677,804.64 and 276,307.68
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Solution
The fourth proportional to 491,167.68, 677,804.64 and 276,307.68 is: 381,300.80
Step by Step Solution
- Step 1: Write the proportion equation
491,167.68 : 677,804.64 = 276,307.68 : x - Step 2: Convert to fraction form
491,167.68/677,804.64 = 276,307.68/x - Step 3: Cross multiply
491,167.68x = 677,804.64 × 276,307.68 - Step 4: Simplify right side
491,167.68x = 187,282,627,571.64 - Step 5: Solve for x
x = 187,282,627,571.64/491,167.68 - Step 6: Final answer
x = 381,300.80
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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.