Finding the Fourth Proportional to 325,735.92, 489,158.64 and 212,077.20
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Solution
The fourth proportional to 325,735.92, 489,158.64 and 212,077.20 is: 318,476.99
Step by Step Solution
- Step 1: Write the proportion equation
325,735.92 : 489,158.64 = 212,077.20 : x - Step 2: Convert to fraction form
325,735.92/489,158.64 = 212,077.20/x - Step 3: Cross multiply
325,735.92x = 489,158.64 × 212,077.20 - Step 4: Simplify right side
325,735.92x = 103,739,394,727.01 - Step 5: Solve for x
x = 103,739,394,727.01/325,735.92 - Step 6: Final answer
x = 318,476.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.