Finding the Fourth Proportional to 274,722.64, 412,085.04 and 97,229.68
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Solution
The fourth proportional to 274,722.64, 412,085.04 and 97,229.68 is: 145,844.90
Step by Step Solution
- Step 1: Write the proportion equation
274,722.64 : 412,085.04 = 97,229.68 : x - Step 2: Convert to fraction form
274,722.64/412,085.04 = 97,229.68/x - Step 3: Cross multiply
274,722.64x = 412,085.04 × 97,229.68 - Step 4: Simplify right side
274,722.64x = 40,066,896,571.99 - Step 5: Solve for x
x = 40,066,896,571.99/274,722.64 - Step 6: Final answer
x = 145,844.90
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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.