Finding the Fourth Proportional to 327,069.36, 490,599.18 and 90,406.80
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Solution
The fourth proportional to 327,069.36, 490,599.18 and 90,406.80 is: 135,608.86
Step by Step Solution
- Step 1: Write the proportion equation
327,069.36 : 490,599.18 = 90,406.80 : x - Step 2: Convert to fraction form
327,069.36/490,599.18 = 90,406.80/x - Step 3: Cross multiply
327,069.36x = 490,599.18 × 90,406.80 - Step 4: Simplify right side
327,069.36x = 44,353,501,946.42 - Step 5: Solve for x
x = 44,353,501,946.42/327,069.36 - Step 6: Final answer
x = 135,608.86
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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.