Finding the Fourth Proportional to 422,178.48, 582,354.36 and 365,491.44
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Solution
The fourth proportional to 422,178.48, 582,354.36 and 365,491.44 is: 504,160.07
Step by Step Solution
- Step 1: Write the proportion equation
422,178.48 : 582,354.36 = 365,491.44 : x - Step 2: Convert to fraction form
422,178.48/582,354.36 = 365,491.44/x - Step 3: Cross multiply
422,178.48x = 582,354.36 × 365,491.44 - Step 4: Simplify right side
422,178.48x = 212,845,533,626.68 - Step 5: Solve for x
x = 212,845,533,626.68/422,178.48 - Step 6: Final answer
x = 504,160.07
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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.