Finding the Fourth Proportional to 286,287.75, 395,093.50 and 158,971.55
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Solution
The fourth proportional to 286,287.75, 395,093.50 and 158,971.55 is: 219,389.84
Step by Step Solution
- Step 1: Write the proportion equation
286,287.75 : 395,093.50 = 158,971.55 : x - Step 2: Convert to fraction form
286,287.75/395,093.50 = 158,971.55/x - Step 3: Cross multiply
286,287.75x = 395,093.50 × 158,971.55 - Step 4: Simplify right side
286,287.75x = 62,808,623,717.03 - Step 5: Solve for x
x = 62,808,623,717.03/286,287.75 - Step 6: Final answer
x = 219,389.84
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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.