Finding the Fourth Proportional to 325,612.80, 488,446.08 and 88,957.44
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Solution
The fourth proportional to 325,612.80, 488,446.08 and 88,957.44 is: 133,443.50
Step by Step Solution
- Step 1: Write the proportion equation
325,612.80 : 488,446.08 = 88,957.44 : x - Step 2: Convert to fraction form
325,612.80/488,446.08 = 88,957.44/x - Step 3: Cross multiply
325,612.80x = 488,446.08 × 88,957.44 - Step 4: Simplify right side
325,612.80x = 43,450,912,854.84 - Step 5: Solve for x
x = 43,450,912,854.84/325,612.80 - Step 6: Final answer
x = 133,443.50
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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.