Finding the Fourth Proportional to 221,247.44, 305,318.61 and 125,747.84
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Solution
The fourth proportional to 221,247.44, 305,318.61 and 125,747.84 is: 173,530.40
Step by Step Solution
- Step 1: Write the proportion equation
221,247.44 : 305,318.61 = 125,747.84 : x - Step 2: Convert to fraction form
221,247.44/305,318.61 = 125,747.84/x - Step 3: Cross multiply
221,247.44x = 305,318.61 × 125,747.84 - Step 4: Simplify right side
221,247.44x = 38,393,155,719.30 - Step 5: Solve for x
x = 38,393,155,719.30/221,247.44 - Step 6: Final answer
x = 173,530.40
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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.