Finding the Fourth Proportional to 288,761.66, 432,297.84 and 168,450.74
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Solution
The fourth proportional to 288,761.66, 432,297.84 and 168,450.74 is: 252,183.38
Step by Step Solution
- Step 1: Write the proportion equation
288,761.66 : 432,297.84 = 168,450.74 : x - Step 2: Convert to fraction form
288,761.66/432,297.84 = 168,450.74/x - Step 3: Cross multiply
288,761.66x = 432,297.84 × 168,450.74 - Step 4: Simplify right side
288,761.66x = 72,820,891,048.40 - Step 5: Solve for x
x = 72,820,891,048.40/288,761.66 - Step 6: Final answer
x = 252,183.38
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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.