Finding the Fourth Proportional to 213,891.29, 320,726.18 and 114,024.66
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Solution
The fourth proportional to 213,891.29, 320,726.18 and 114,024.66 is: 170,977.95
Step by Step Solution
- Step 1: Write the proportion equation
213,891.29 : 320,726.18 = 114,024.66 : x - Step 2: Convert to fraction form
213,891.29/320,726.18 = 114,024.66/x - Step 3: Cross multiply
213,891.29x = 320,726.18 × 114,024.66 - Step 4: Simplify right side
213,891.29x = 36,570,693,057.48 - Step 5: Solve for x
x = 36,570,693,057.48/213,891.29 - Step 6: Final answer
x = 170,977.95
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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.