Finding the Fourth Proportional to 287,425.93, 396,660.03 and 160,101.49
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Solution
The fourth proportional to 287,425.93, 396,660.03 and 160,101.49 is: 220,946.88
Step by Step Solution
- Step 1: Write the proportion equation
287,425.93 : 396,660.03 = 160,101.49 : x - Step 2: Convert to fraction form
287,425.93/396,660.03 = 160,101.49/x - Step 3: Cross multiply
287,425.93x = 396,660.03 × 160,101.49 - Step 4: Simplify right side
287,425.93x = 63,505,861,826.44 - Step 5: Solve for x
x = 63,505,861,826.44/287,425.93 - Step 6: Final answer
x = 220,946.88
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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.