Finding the Fourth Proportional to 491,184.68, 677,828.10 and 276,324.68
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Solution
The fourth proportional to 491,184.68, 677,828.10 and 276,324.68 is: 381,324.26
Step by Step Solution
- Step 1: Write the proportion equation
491,184.68 : 677,828.10 = 276,324.68 : x - Step 2: Convert to fraction form
491,184.68/677,828.10 = 276,324.68/x - Step 3: Cross multiply
491,184.68x = 677,828.10 × 276,324.68 - Step 4: Simplify right side
491,184.68x = 187,300,632,827.51 - Step 5: Solve for x
x = 187,300,632,827.51/491,184.68 - Step 6: Final answer
x = 381,324.26
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1.5x scale
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.