Finding the Fourth Proportional to 189,460.13, 261,455.00 and 104,577.21
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Solution
The fourth proportional to 189,460.13, 261,455.00 and 104,577.21 is: 144,316.56
Step by Step Solution
- Step 1: Write the proportion equation
189,460.13 : 261,455.00 = 104,577.21 : x - Step 2: Convert to fraction form
189,460.13/261,455.00 = 104,577.21/x - Step 3: Cross multiply
189,460.13x = 261,455.00 × 104,577.21 - Step 4: Simplify right side
189,460.13x = 27,342,233,917.66 - Step 5: Solve for x
x = 27,342,233,917.66/189,460.13 - Step 6: Final answer
x = 144,316.56
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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.