Finding the Fourth Proportional to 221,034.14, 305,027.79 and 125,541.62
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Solution
The fourth proportional to 221,034.14, 305,027.79 and 125,541.62 is: 173,247.82
Step by Step Solution
- Step 1: Write the proportion equation
221,034.14 : 305,027.79 = 125,541.62 : x - Step 2: Convert to fraction form
221,034.14/305,027.79 = 125,541.62/x - Step 3: Cross multiply
221,034.14x = 305,027.79 × 125,541.62 - Step 4: Simplify right side
221,034.14x = 38,293,682,901.62 - Step 5: Solve for x
x = 38,293,682,901.62/221,034.14 - Step 6: Final answer
x = 173,247.82
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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.