Finding the Fourth Proportional to 464,262.30, 640,446.17 and 303,211.62
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Solution
The fourth proportional to 464,262.30, 640,446.17 and 303,211.62 is: 418,278.03
Step by Step Solution
- Step 1: Write the proportion equation
464,262.30 : 640,446.17 = 303,211.62 : x - Step 2: Convert to fraction form
464,262.30/640,446.17 = 303,211.62/x - Step 3: Cross multiply
464,262.30x = 640,446.17 × 303,211.62 - Step 4: Simplify right side
464,262.30x = 194,190,719,212.44 - Step 5: Solve for x
x = 194,190,719,212.44/464,262.30 - Step 6: Final answer
x = 418,278.03
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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.