Finding the Fourth Proportional to 356,267.82, 491,639.94 and 203,303.19
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Solution
The fourth proportional to 356,267.82, 491,639.94 and 203,303.19 is: 280,552.89
Step by Step Solution
- Step 1: Write the proportion equation
356,267.82 : 491,639.94 = 203,303.19 : x - Step 2: Convert to fraction form
356,267.82/491,639.94 = 203,303.19/x - Step 3: Cross multiply
356,267.82x = 491,639.94 × 203,303.19 - Step 4: Simplify right side
356,267.82x = 99,951,968,133.41 - Step 5: Solve for x
x = 99,951,968,133.41/356,267.82 - Step 6: Final answer
x = 280,552.89
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1.5x scale
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.