Finding the Fourth Proportional to 281,571.58, 388,471.65 and 160,625.62
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Solution
The fourth proportional to 281,571.58, 388,471.65 and 160,625.62 is: 221,607.95
Step by Step Solution
- Step 1: Write the proportion equation
281,571.58 : 388,471.65 = 160,625.62 : x - Step 2: Convert to fraction form
281,571.58/388,471.65 = 160,625.62/x - Step 3: Cross multiply
281,571.58x = 388,471.65 × 160,625.62 - Step 4: Simplify right side
281,571.58x = 62,398,499,633.67 - Step 5: Solve for x
x = 62,398,499,633.67/281,571.58 - Step 6: Final answer
x = 221,607.95
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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.