Finding the Fourth Proportional to 288,044.37, 397,390.37 and 180,427.05
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Solution
The fourth proportional to 288,044.37, 397,390.37 and 180,427.05 is: 248,919.88
Step by Step Solution
- Step 1: Write the proportion equation
288,044.37 : 397,390.37 = 180,427.05 : x - Step 2: Convert to fraction form
288,044.37/397,390.37 = 180,427.05/x - Step 3: Cross multiply
288,044.37x = 397,390.37 × 180,427.05 - Step 4: Simplify right side
288,044.37x = 71,699,971,255.37 - Step 5: Solve for x
x = 71,699,971,255.37/288,044.37 - Step 6: Final answer
x = 248,919.88
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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.