Finding the Fourth Proportional to 209,174.24, 313,761.36 and 84,602.72
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Solution
The fourth proportional to 209,174.24, 313,761.36 and 84,602.72 is: 126,904.08
Step by Step Solution
- Step 1: Write the proportion equation
209,174.24 : 313,761.36 = 84,602.72 : x - Step 2: Convert to fraction form
209,174.24/313,761.36 = 84,602.72/x - Step 3: Cross multiply
209,174.24x = 313,761.36 × 84,602.72 - Step 4: Simplify right side
209,174.24x = 26,545,064,486.90 - Step 5: Solve for x
x = 26,545,064,486.90/209,174.24 - Step 6: Final answer
x = 126,904.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.