Finding the Fourth Proportional to 338,639.57, 467,337.38 and 202,647.65
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Solution
The fourth proportional to 338,639.57, 467,337.38 and 202,647.65 is: 279,662.60
Step by Step Solution
- Step 1: Write the proportion equation
338,639.57 : 467,337.38 = 202,647.65 : x - Step 2: Convert to fraction form
338,639.57/467,337.38 = 202,647.65/x - Step 3: Cross multiply
338,639.57x = 467,337.38 × 202,647.65 - Step 4: Simplify right side
338,639.57x = 94,704,821,814.16 - Step 5: Solve for x
x = 94,704,821,814.16/338,639.57 - Step 6: Final answer
x = 279,662.60
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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.