Finding the Fourth Proportional to 422,852.57, 582,972.05 and 335,926.09
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Solution
The fourth proportional to 422,852.57, 582,972.05 and 335,926.09 is: 463,129.55
Step by Step Solution
- Step 1: Write the proportion equation
422,852.57 : 582,972.05 = 335,926.09 : x - Step 2: Convert to fraction form
422,852.57/582,972.05 = 335,926.09/x - Step 3: Cross multiply
422,852.57x = 582,972.05 × 335,926.09 - Step 4: Simplify right side
422,852.57x = 195,835,520,319.91 - Step 5: Solve for x
x = 195,835,520,319.91/422,852.57 - Step 6: Final answer
x = 463,129.55
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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.