Finding the Fourth Proportional to 215,533.96, 323,378.70 and 110,402.44
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Solution
The fourth proportional to 215,533.96, 323,378.70 and 110,402.44 is: 165,643.49
Step by Step Solution
- Step 1: Write the proportion equation
215,533.96 : 323,378.70 = 110,402.44 : x - Step 2: Convert to fraction form
215,533.96/323,378.70 = 110,402.44/x - Step 3: Cross multiply
215,533.96x = 323,378.70 × 110,402.44 - Step 4: Simplify right side
215,533.96x = 35,701,797,524.03 - Step 5: Solve for x
x = 35,701,797,524.03/215,533.96 - Step 6: Final answer
x = 165,643.49
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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.