Finding the Fourth Proportional to 215,832.10, 323,748.15 and 214,449.70
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Solution
The fourth proportional to 215,832.10, 323,748.15 and 214,449.70 is: 321,674.55
Step by Step Solution
- Step 1: Write the proportion equation
215,832.10 : 323,748.15 = 214,449.70 : x - Step 2: Convert to fraction form
215,832.10/323,748.15 = 214,449.70/x - Step 3: Cross multiply
215,832.10x = 323,748.15 × 214,449.70 - Step 4: Simplify right side
215,832.10x = 69,427,693,643.06 - Step 5: Solve for x
x = 69,427,693,643.06/215,832.10 - Step 6: Final answer
x = 321,674.55
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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.