Finding the Fourth Proportional to 288,948.26, 398,324.23 and 202,645.60
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Solution
The fourth proportional to 288,948.26, 398,324.23 and 202,645.60 is: 279,353.31
Step by Step Solution
- Step 1: Write the proportion equation
288,948.26 : 398,324.23 = 202,645.60 : x - Step 2: Convert to fraction form
288,948.26/398,324.23 = 202,645.60/x - Step 3: Cross multiply
288,948.26x = 398,324.23 × 202,645.60 - Step 4: Simplify right side
288,948.26x = 80,718,652,220.34 - Step 5: Solve for x
x = 80,718,652,220.34/288,948.26 - Step 6: Final answer
x = 279,353.31
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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.