Finding the Fourth Proportional to 275,395.24, 380,049.06 and 154,562.68
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Solution
The fourth proportional to 275,395.24, 380,049.06 and 154,562.68 is: 213,298.54
Step by Step Solution
- Step 1: Write the proportion equation
275,395.24 : 380,049.06 = 154,562.68 : x - Step 2: Convert to fraction form
275,395.24/380,049.06 = 154,562.68/x - Step 3: Cross multiply
275,395.24x = 380,049.06 × 154,562.68 - Step 4: Simplify right side
275,395.24x = 58,741,401,245.08 - Step 5: Solve for x
x = 58,741,401,245.08/275,395.24 - Step 6: Final answer
x = 213,298.54
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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.