Finding the Fourth Proportional to 354,737.28, 489,548.25 and 201,797.63
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Solution
The fourth proportional to 354,737.28, 489,548.25 and 201,797.63 is: 278,486.88
Step by Step Solution
- Step 1: Write the proportion equation
354,737.28 : 489,548.25 = 201,797.63 : x - Step 2: Convert to fraction form
354,737.28/489,548.25 = 201,797.63/x - Step 3: Cross multiply
354,737.28x = 489,548.25 × 201,797.63 - Step 4: Simplify right side
354,737.28x = 98,789,676,620.65 - Step 5: Solve for x
x = 98,789,676,620.65/354,737.28 - Step 6: Final answer
x = 278,486.88
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1.5x scale
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.