Finding the Fourth Proportional to 403,153.34, 605,104.20 and 203,613.84
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Solution
The fourth proportional to 403,153.34, 605,104.20 and 203,613.84 is: 305,609.75
Step by Step Solution
- Step 1: Write the proportion equation
403,153.34 : 605,104.20 = 203,613.84 : x - Step 2: Convert to fraction form
403,153.34/605,104.20 = 203,613.84/x - Step 3: Cross multiply
403,153.34x = 605,104.20 × 203,613.84 - Step 4: Simplify right side
403,153.34x = 123,207,589,762.13 - Step 5: Solve for x
x = 123,207,589,762.13/403,153.34 - Step 6: Final answer
x = 305,609.75
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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.