Finding the Fourth Proportional to 494,040.12, 681,743.68 and 276,266.74
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Solution
The fourth proportional to 494,040.12, 681,743.68 and 276,266.74 is: 381,230.38
Step by Step Solution
- Step 1: Write the proportion equation
494,040.12 : 681,743.68 = 276,266.74 : x - Step 2: Convert to fraction form
494,040.12/681,743.68 = 276,266.74/x - Step 3: Cross multiply
494,040.12x = 681,743.68 × 276,266.74 - Step 4: Simplify right side
494,040.12x = 188,343,103,989.20 - Step 5: Solve for x
x = 188,343,103,989.20/494,040.12 - Step 6: Final answer
x = 381,230.38
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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.