Finding the Fourth Proportional to 287,850.44, 397,232.71 and 160,526.00
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Solution
The fourth proportional to 287,850.44, 397,232.71 and 160,526.00 is: 221,525.38
Step by Step Solution
- Step 1: Write the proportion equation
287,850.44 : 397,232.71 = 160,526.00 : x - Step 2: Convert to fraction form
287,850.44/397,232.71 = 160,526.00/x - Step 3: Cross multiply
287,850.44x = 397,232.71 × 160,526.00 - Step 4: Simplify right side
287,850.44x = 63,766,178,597.23 - Step 5: Solve for x
x = 63,766,178,597.23/287,850.44 - Step 6: Final answer
x = 221,525.38
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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.