Finding the Fourth Proportional to 201,999.06, 278,757.99 and 117,164.52
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Solution
The fourth proportional to 201,999.06, 278,757.99 and 117,164.52 is: 161,686.62
Step by Step Solution
- Step 1: Write the proportion equation
201,999.06 : 278,757.99 = 117,164.52 : x - Step 2: Convert to fraction form
201,999.06/278,757.99 = 117,164.52/x - Step 3: Cross multiply
201,999.06x = 278,757.99 × 117,164.52 - Step 4: Simplify right side
201,999.06x = 32,660,546,094.51 - Step 5: Solve for x
x = 32,660,546,094.51/201,999.06 - Step 6: Final answer
x = 161,686.62
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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.