Finding the Fourth Proportional to 274,184.75, 411,479.26 and 130,091.18
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Solution
The fourth proportional to 274,184.75, 411,479.26 and 130,091.18 is: 195,232.68
Step by Step Solution
- Step 1: Write the proportion equation
274,184.75 : 411,479.26 = 130,091.18 : x - Step 2: Convert to fraction form
274,184.75/411,479.26 = 130,091.18/x - Step 3: Cross multiply
274,184.75x = 411,479.26 × 130,091.18 - Step 4: Simplify right side
274,184.75x = 53,529,823,182.40 - Step 5: Solve for x
x = 53,529,823,182.40/274,184.75 - Step 6: Final answer
x = 195,232.68
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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.