Finding the Fourth Proportional to 189,645.49, 261,688.48 and 104,757.49
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Solution
The fourth proportional to 189,645.49, 261,688.48 and 104,757.49 is: 144,553.02
Step by Step Solution
- Step 1: Write the proportion equation
189,645.49 : 261,688.48 = 104,757.49 : x - Step 2: Convert to fraction form
189,645.49/261,688.48 = 104,757.49/x - Step 3: Cross multiply
189,645.49x = 261,688.48 × 104,757.49 - Step 4: Simplify right side
189,645.49x = 27,413,828,326.72 - Step 5: Solve for x
x = 27,413,828,326.72/189,645.49 - Step 6: Final answer
x = 144,553.02
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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.