Finding the Fourth Proportional to 415,433.22, 573,297.12 and 224,446.02
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Solution
The fourth proportional to 415,433.22, 573,297.12 and 224,446.02 is: 309,735.12
Step by Step Solution
- Step 1: Write the proportion equation
415,433.22 : 573,297.12 = 224,446.02 : x - Step 2: Convert to fraction form
415,433.22/573,297.12 = 224,446.02/x - Step 3: Cross multiply
415,433.22x = 573,297.12 × 224,446.02 - Step 4: Simplify right side
415,433.22x = 128,674,256,861.46 - Step 5: Solve for x
x = 128,674,256,861.46/415,433.22 - Step 6: Final answer
x = 309,735.12
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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.