Finding the Fourth Proportional to 165,201.23, 227,963.56 and 91,616.03
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Solution
The fourth proportional to 165,201.23, 227,963.56 and 91,616.03 is: 126,422.28
Step by Step Solution
- Step 1: Write the proportion equation
165,201.23 : 227,963.56 = 91,616.03 : x - Step 2: Convert to fraction form
165,201.23/227,963.56 = 91,616.03/x - Step 3: Cross multiply
165,201.23x = 227,963.56 × 91,616.03 - Step 4: Simplify right side
165,201.23x = 20,885,114,983.01 - Step 5: Solve for x
x = 20,885,114,983.01/165,201.23 - Step 6: Final answer
x = 126,422.28
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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.