Finding the Fourth Proportional to 274,074.43, 411,155.97 and 84,490.44
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Solution
The fourth proportional to 274,074.43, 411,155.97 and 84,490.44 is: 126,749.32
Step by Step Solution
- Step 1: Write the proportion equation
274,074.43 : 411,155.97 = 84,490.44 : x - Step 2: Convert to fraction form
274,074.43/411,155.97 = 84,490.44/x - Step 3: Cross multiply
274,074.43x = 411,155.97 × 84,490.44 - Step 4: Simplify right side
274,074.43x = 34,738,748,813.93 - Step 5: Solve for x
x = 34,738,748,813.93/274,074.43 - Step 6: Final answer
x = 126,749.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.