Finding the Fourth Proportional to 356,424.92, 491,866.36 and 195,286.06
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Solution
The fourth proportional to 356,424.92, 491,866.36 and 195,286.06 is: 269,494.75
Step by Step Solution
- Step 1: Write the proportion equation
356,424.92 : 491,866.36 = 195,286.06 : x - Step 2: Convert to fraction form
356,424.92/491,866.36 = 195,286.06/x - Step 3: Cross multiply
356,424.92x = 491,866.36 × 195,286.06 - Step 4: Simplify right side
356,424.92x = 96,054,643,490.94 - Step 5: Solve for x
x = 96,054,643,490.94/356,424.92 - Step 6: Final answer
x = 269,494.75
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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.