Finding the Fourth Proportional to 160,616.28, 221,649.75 and 88,996.13
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Solution
The fourth proportional to 160,616.28, 221,649.75 and 88,996.13 is: 122,814.26
Step by Step Solution
- Step 1: Write the proportion equation
160,616.28 : 221,649.75 = 88,996.13 : x - Step 2: Convert to fraction form
160,616.28/221,649.75 = 88,996.13/x - Step 3: Cross multiply
160,616.28x = 221,649.75 × 88,996.13 - Step 4: Simplify right side
160,616.28x = 19,725,968,857.22 - Step 5: Solve for x
x = 19,725,968,857.22/160,616.28 - Step 6: Final answer
x = 122,814.26
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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.