Finding the Fourth Proportional to 104,858.74, 157,261.74 and 29,979.28
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Solution
The fourth proportional to 104,858.74, 157,261.74 and 29,979.28 is: 44,961.38
Step by Step Solution
- Step 1: Write the proportion equation
104,858.74 : 157,261.74 = 29,979.28 : x - Step 2: Convert to fraction form
104,858.74/157,261.74 = 29,979.28/x - Step 3: Cross multiply
104,858.74x = 157,261.74 × 29,979.28 - Step 4: Simplify right side
104,858.74x = 4,714,593,736.75 - Step 5: Solve for x
x = 4,714,593,736.75/104,858.74 - Step 6: Final answer
x = 44,961.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.