Finding the Fourth Proportional to 215,532.96, 323,377.20 and 110,401.44
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Solution
The fourth proportional to 215,532.96, 323,377.20 and 110,401.44 is: 165,641.99
Step by Step Solution
- Step 1: Write the proportion equation
215,532.96 : 323,377.20 = 110,401.44 : x - Step 2: Convert to fraction form
215,532.96/323,377.20 = 110,401.44/x - Step 3: Cross multiply
215,532.96x = 323,377.20 × 110,401.44 - Step 4: Simplify right side
215,532.96x = 35,701,308,543.17 - Step 5: Solve for x
x = 35,701,308,543.17/215,532.96 - Step 6: Final answer
x = 165,641.99
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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.