Finding the Fourth Proportional to 415,183.68, 573,046.74 and 271,860.48
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Solution
The fourth proportional to 415,183.68, 573,046.74 and 271,860.48 is: 375,228.53
Step by Step Solution
- Step 1: Write the proportion equation
415,183.68 : 573,046.74 = 271,860.48 : x - Step 2: Convert to fraction form
415,183.68/573,046.74 = 271,860.48/x - Step 3: Cross multiply
415,183.68x = 573,046.74 × 271,860.48 - Step 4: Simplify right side
415,183.68x = 155,788,761,798.84 - Step 5: Solve for x
x = 155,788,761,798.84/415,183.68 - Step 6: Final answer
x = 375,228.53
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1.5x scale
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.