Finding the Fourth Proportional to 356,879.64, 492,496.35 and 195,735.84
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Solution
The fourth proportional to 356,879.64, 492,496.35 and 195,735.84 is: 270,116.80
Step by Step Solution
- Step 1: Write the proportion equation
356,879.64 : 492,496.35 = 195,735.84 : x - Step 2: Convert to fraction form
356,879.64/492,496.35 = 195,735.84/x - Step 3: Cross multiply
356,879.64x = 492,496.35 × 195,735.84 - Step 4: Simplify right side
356,879.64x = 96,399,186,764.18 - Step 5: Solve for x
x = 96,399,186,764.18/356,879.64 - Step 6: Final answer
x = 270,116.80
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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.