Finding the Fourth Proportional to 221,369.72, 305,490.24 and 125,882.26
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Solution
The fourth proportional to 221,369.72, 305,490.24 and 125,882.26 is: 173,717.53
Step by Step Solution
- Step 1: Write the proportion equation
221,369.72 : 305,490.24 = 125,882.26 : x - Step 2: Convert to fraction form
221,369.72/305,490.24 = 125,882.26/x - Step 3: Cross multiply
221,369.72x = 305,490.24 × 125,882.26 - Step 4: Simplify right side
221,369.72x = 38,455,801,819.14 - Step 5: Solve for x
x = 38,455,801,819.14/221,369.72 - Step 6: Final answer
x = 173,717.53
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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.