Finding the Fourth Proportional to 356,298.60, 491,691.96 and 195,163.68
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Solution
The fourth proportional to 356,298.60, 491,691.96 and 195,163.68 is: 269,325.82
Step by Step Solution
- Step 1: Write the proportion equation
356,298.60 : 491,691.96 = 195,163.68 : x - Step 2: Convert to fraction form
356,298.60/491,691.96 = 195,163.68/x - Step 3: Cross multiply
356,298.60x = 491,691.96 × 195,163.68 - Step 4: Simplify right side
356,298.60x = 95,960,412,340.01 - Step 5: Solve for x
x = 95,960,412,340.01/356,298.60 - Step 6: Final answer
x = 269,325.82
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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.