Finding the Fourth Proportional to 227,315.21, 313,680.49 and 125,341.31
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Solution
The fourth proportional to 227,315.21, 313,680.49 and 125,341.31 is: 172,963.02
Step by Step Solution
- Step 1: Write the proportion equation
227,315.21 : 313,680.49 = 125,341.31 : x - Step 2: Convert to fraction form
227,315.21/313,680.49 = 125,341.31/x - Step 3: Cross multiply
227,315.21x = 313,680.49 × 125,341.31 - Step 4: Simplify right side
227,315.21x = 39,317,124,008.89 - Step 5: Solve for x
x = 39,317,124,008.89/227,315.21 - Step 6: Final answer
x = 172,963.02
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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.