Finding the Fourth Proportional to 275,048.07, 379,597.83 and 154,221.99
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Solution
The fourth proportional to 275,048.07, 379,597.83 and 154,221.99 is: 212,844.00
Step by Step Solution
- Step 1: Write the proportion equation
275,048.07 : 379,597.83 = 154,221.99 : x - Step 2: Convert to fraction form
275,048.07/379,597.83 = 154,221.99/x - Step 3: Cross multiply
275,048.07x = 379,597.83 × 154,221.99 - Step 4: Simplify right side
275,048.07x = 58,542,332,742.28 - Step 5: Solve for x
x = 58,542,332,742.28/275,048.07 - Step 6: Final answer
x = 212,844.00
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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.