Finding the Fourth Proportional to 288,554.02, 398,203.71 and 161,229.71
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Solution
The fourth proportional to 288,554.02, 398,203.71 and 161,229.71 is: 222,496.53
Step by Step Solution
- Step 1: Write the proportion equation
288,554.02 : 398,203.71 = 161,229.71 : x - Step 2: Convert to fraction form
288,554.02/398,203.71 = 161,229.71/x - Step 3: Cross multiply
288,554.02x = 398,203.71 × 161,229.71 - Step 4: Simplify right side
288,554.02x = 64,202,268,684.22 - Step 5: Solve for x
x = 64,202,268,684.22/288,554.02 - Step 6: Final answer
x = 222,496.53
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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.