Finding the Fourth Proportional to 288,543.36, 432,837.38 and 96,418.44
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Solution
The fourth proportional to 288,543.36, 432,837.38 and 96,418.44 is: 144,635.12
Step by Step Solution
- Step 1: Write the proportion equation
288,543.36 : 432,837.38 = 96,418.44 : x - Step 2: Convert to fraction form
288,543.36/432,837.38 = 96,418.44/x - Step 3: Cross multiply
288,543.36x = 432,837.38 × 96,418.44 - Step 4: Simplify right side
288,543.36x = 41,733,504,471.20 - Step 5: Solve for x
x = 41,733,504,471.20/288,543.36 - Step 6: Final answer
x = 144,635.12
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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.