Finding the Fourth Proportional to 415,435.22, 573,299.88 and 224,448.02
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Solution
The fourth proportional to 415,435.22, 573,299.88 and 224,448.02 is: 309,737.88
Step by Step Solution
- Step 1: Write the proportion equation
415,435.22 : 573,299.88 = 224,448.02 : x - Step 2: Convert to fraction form
415,435.22/573,299.88 = 224,448.02/x - Step 3: Cross multiply
415,435.22x = 573,299.88 × 224,448.02 - Step 4: Simplify right side
415,435.22x = 128,676,022,932.24 - Step 5: Solve for x
x = 128,676,022,932.24/415,435.22 - Step 6: Final answer
x = 309,737.88
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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.