Finding the Fourth Proportional to 221,236.10, 305,332.02 and 125,757.14
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Solution
The fourth proportional to 221,236.10, 305,332.02 and 125,757.14 is: 173,559.74
Step by Step Solution
- Step 1: Write the proportion equation
221,236.10 : 305,332.02 = 125,757.14 : x - Step 2: Convert to fraction form
221,236.10/305,332.02 = 125,757.14/x - Step 3: Cross multiply
221,236.10x = 305,332.02 × 125,757.14 - Step 4: Simplify right side
221,236.10x = 38,397,680,058.96 - Step 5: Solve for x
x = 38,397,680,058.96/221,236.10 - Step 6: Final answer
x = 173,559.74
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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.