Finding the Fourth Proportional to 164,422.99, 226,881.03 and 91,817.02
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Solution
The fourth proportional to 164,422.99, 226,881.03 and 91,817.02 is: 126,694.81
Step by Step Solution
- Step 1: Write the proportion equation
164,422.99 : 226,881.03 = 91,817.02 : x - Step 2: Convert to fraction form
164,422.99/226,881.03 = 91,817.02/x - Step 3: Cross multiply
164,422.99x = 226,881.03 × 91,817.02 - Step 4: Simplify right side
164,422.99x = 20,831,540,069.13 - Step 5: Solve for x
x = 20,831,540,069.13/164,422.99 - Step 6: Final answer
x = 126,694.81
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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.