Finding the Fourth Proportional to 164,720.24, 227,307.84 and 89,267.12
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Solution
The fourth proportional to 164,720.24, 227,307.84 and 89,267.12 is: 123,185.32
Step by Step Solution
- Step 1: Write the proportion equation
164,720.24 : 227,307.84 = 89,267.12 : x - Step 2: Convert to fraction form
164,720.24/227,307.84 = 89,267.12/x - Step 3: Cross multiply
164,720.24x = 227,307.84 × 89,267.12 - Step 4: Simplify right side
164,720.24x = 20,291,116,230.22 - Step 5: Solve for x
x = 20,291,116,230.22/164,720.24 - Step 6: Final answer
x = 123,185.32
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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.