Finding the Fourth Proportional to 227,148.32, 313,466.75 and 125,177.43
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Solution
The fourth proportional to 227,148.32, 313,466.75 and 125,177.43 is: 172,745.99
Step by Step Solution
- Step 1: Write the proportion equation
227,148.32 : 313,466.75 = 125,177.43 : x - Step 2: Convert to fraction form
227,148.32/313,466.75 = 125,177.43/x - Step 3: Cross multiply
227,148.32x = 313,466.75 × 125,177.43 - Step 4: Simplify right side
227,148.32x = 39,238,961,529.57 - Step 5: Solve for x
x = 39,238,961,529.57/227,148.32 - Step 6: Final answer
x = 172,745.99
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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.