Finding the Fourth Proportional to 414,540.66, 621,810.99 and 115,021.29
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Solution
The fourth proportional to 414,540.66, 621,810.99 and 115,021.29 is: 172,531.94
Step by Step Solution
- Step 1: Write the proportion equation
414,540.66 : 621,810.99 = 115,021.29 : x - Step 2: Convert to fraction form
414,540.66/621,810.99 = 115,021.29/x - Step 3: Cross multiply
414,540.66x = 621,810.99 × 115,021.29 - Step 4: Simplify right side
414,540.66x = 71,521,502,205.98 - Step 5: Solve for x
x = 71,521,502,205.98/414,540.66 - Step 6: Final answer
x = 172,531.94
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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.