Finding the Fourth Proportional to 153,108.63, 229,659.26 and 107,943.44
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Solution
The fourth proportional to 153,108.63, 229,659.26 and 107,943.44 is: 161,912.55
Step by Step Solution
- Step 1: Write the proportion equation
153,108.63 : 229,659.26 = 107,943.44 : x - Step 2: Convert to fraction form
153,108.63/229,659.26 = 107,943.44/x - Step 3: Cross multiply
153,108.63x = 229,659.26 × 107,943.44 - Step 4: Simplify right side
153,108.63x = 24,790,208,864.24 - Step 5: Solve for x
x = 24,790,208,864.24/153,108.63 - Step 6: Final answer
x = 161,912.55
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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.