Finding the Fourth Proportional to 324,389.08, 486,222.36 and 134,743.78
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Solution
The fourth proportional to 324,389.08, 486,222.36 and 134,743.78 is: 201,965.61
Step by Step Solution
- Step 1: Write the proportion equation
324,389.08 : 486,222.36 = 134,743.78 : x - Step 2: Convert to fraction form
324,389.08/486,222.36 = 134,743.78/x - Step 3: Cross multiply
324,389.08x = 486,222.36 × 134,743.78 - Step 4: Simplify right side
324,389.08x = 65,515,438,706.92 - Step 5: Solve for x
x = 65,515,438,706.92/324,389.08 - Step 6: Final answer
x = 201,965.61
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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.