Finding the Fourth Proportional to 274,328.16, 411,118.29 and 132,163.08
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Solution
The fourth proportional to 274,328.16, 411,118.29 and 132,163.08 is: 198,064.46
Step by Step Solution
- Step 1: Write the proportion equation
274,328.16 : 411,118.29 = 132,163.08 : x - Step 2: Convert to fraction form
274,328.16/411,118.29 = 132,163.08/x - Step 3: Cross multiply
274,328.16x = 411,118.29 × 132,163.08 - Step 4: Simplify right side
274,328.16x = 54,334,659,450.73 - Step 5: Solve for x
x = 54,334,659,450.73/274,328.16 - Step 6: Final answer
x = 198,064.46
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1.5x scale
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.