Finding the Fourth Proportional to 356,124.06, 491,449.82 and 203,161.95
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Solution
The fourth proportional to 356,124.06, 491,449.82 and 203,161.95 is: 280,362.70
Step by Step Solution
- Step 1: Write the proportion equation
356,124.06 : 491,449.82 = 203,161.95 : x - Step 2: Convert to fraction form
356,124.06/491,449.82 = 203,161.95/x - Step 3: Cross multiply
356,124.06x = 491,449.82 × 203,161.95 - Step 4: Simplify right side
356,124.06x = 99,843,902,742.54 - Step 5: Solve for x
x = 99,843,902,742.54/356,124.06 - Step 6: Final answer
x = 280,362.70
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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.