Finding the Fourth Proportional to 338,431.22, 466,911.52 and 202,469.08
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Solution
The fourth proportional to 338,431.22, 466,911.52 and 202,469.08 is: 279,333.41
Step by Step Solution
- Step 1: Write the proportion equation
338,431.22 : 466,911.52 = 202,469.08 : x - Step 2: Convert to fraction form
338,431.22/466,911.52 = 202,469.08/x - Step 3: Cross multiply
338,431.22x = 466,911.52 × 202,469.08 - Step 4: Simplify right side
338,431.22x = 94,535,145,895.80 - Step 5: Solve for x
x = 94,535,145,895.80/338,431.22 - Step 6: Final answer
x = 279,333.41
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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.