Finding the Fourth Proportional to 211,287.42, 291,579.21 and 115,792.07
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Solution
The fourth proportional to 211,287.42, 291,579.21 and 115,792.07 is: 159,794.46
Step by Step Solution
- Step 1: Write the proportion equation
211,287.42 : 291,579.21 = 115,792.07 : x - Step 2: Convert to fraction form
211,287.42/291,579.21 = 115,792.07/x - Step 3: Cross multiply
211,287.42x = 291,579.21 × 115,792.07 - Step 4: Simplify right side
211,287.42x = 33,762,558,836.97 - Step 5: Solve for x
x = 33,762,558,836.97/211,287.42 - Step 6: Final answer
x = 159,794.46
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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.