Finding the Fourth Proportional to 635,619.84, 953,379.84 and 280,642.56
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Solution
The fourth proportional to 635,619.84, 953,379.84 and 280,642.56 is: 420,941.80
Step by Step Solution
- Step 1: Write the proportion equation
635,619.84 : 953,379.84 = 280,642.56 : x - Step 2: Convert to fraction form
635,619.84/953,379.84 = 280,642.56/x - Step 3: Cross multiply
635,619.84x = 953,379.84 × 280,642.56 - Step 4: Simplify right side
635,619.84x = 267,558,958,949.99 - Step 5: Solve for x
x = 267,558,958,949.99/635,619.84 - Step 6: Final answer
x = 420,941.80
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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.