Finding the Fourth Proportional to 491,020.64, 677,530.36 and 276,119.17
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Solution
The fourth proportional to 491,020.64, 677,530.36 and 276,119.17 is: 381,000.52
Step by Step Solution
- Step 1: Write the proportion equation
491,020.64 : 677,530.36 = 276,119.17 : x - Step 2: Convert to fraction form
491,020.64/677,530.36 = 276,119.17/x - Step 3: Cross multiply
491,020.64x = 677,530.36 × 276,119.17 - Step 4: Simplify right side
491,020.64x = 187,079,118,268.88 - Step 5: Solve for x
x = 187,079,118,268.88/491,020.64 - Step 6: Final answer
x = 381,000.52
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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.