Finding the Fourth Proportional to 288,027.22, 432,415.06 and 221,514.48
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Solution
The fourth proportional to 288,027.22, 432,415.06 and 221,514.48 is: 332,559.53
Step by Step Solution
- Step 1: Write the proportion equation
288,027.22 : 432,415.06 = 221,514.48 : x - Step 2: Convert to fraction form
288,027.22/432,415.06 = 221,514.48/x - Step 3: Cross multiply
288,027.22x = 432,415.06 × 221,514.48 - Step 4: Simplify right side
288,027.22x = 95,786,197,160.07 - Step 5: Solve for x
x = 95,786,197,160.07/288,027.22 - Step 6: Final answer
x = 332,559.53
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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.