Finding the Fourth Proportional to 215,467.75, 323,201.63 and 67,723.75
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Solution
The fourth proportional to 215,467.75, 323,201.63 and 67,723.75 is: 101,585.63
Step by Step Solution
- Step 1: Write the proportion equation
215,467.75 : 323,201.63 = 67,723.75 : x - Step 2: Convert to fraction form
215,467.75/323,201.63 = 67,723.75/x - Step 3: Cross multiply
215,467.75x = 323,201.63 × 67,723.75 - Step 4: Simplify right side
215,467.75x = 21,888,426,389.71 - Step 5: Solve for x
x = 21,888,426,389.71/215,467.75 - Step 6: Final answer
x = 101,585.63
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1.5x scale
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.