Finding the Fourth Proportional to 356,284.68, 491,680.80 and 203,319.82
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Solution
The fourth proportional to 356,284.68, 491,680.80 and 203,319.82 is: 280,585.88
Step by Step Solution
- Step 1: Write the proportion equation
356,284.68 : 491,680.80 = 203,319.82 : x - Step 2: Convert to fraction form
356,284.68/491,680.80 = 203,319.82/x - Step 3: Cross multiply
356,284.68x = 491,680.80 × 203,319.82 - Step 4: Simplify right side
356,284.68x = 99,968,451,753.46 - Step 5: Solve for x
x = 99,968,451,753.46/356,284.68 - Step 6: Final answer
x = 280,585.88
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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.