Finding the Fourth Proportional to 226,079.88, 311,995.17 and 135,531.06
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Solution
The fourth proportional to 226,079.88, 311,995.17 and 135,531.06 is: 187,035.82
Step by Step Solution
- Step 1: Write the proportion equation
226,079.88 : 311,995.17 = 135,531.06 : x - Step 2: Convert to fraction form
226,079.88/311,995.17 = 135,531.06/x - Step 3: Cross multiply
226,079.88x = 311,995.17 × 135,531.06 - Step 4: Simplify right side
226,079.88x = 42,285,036,104.98 - Step 5: Solve for x
x = 42,285,036,104.98/226,079.88 - Step 6: Final answer
x = 187,035.82
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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.