Finding the Fourth Proportional to 189,420.07, 261,398.49 and 104,537.14
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Solution
The fourth proportional to 189,420.07, 261,398.49 and 104,537.14 is: 144,260.59
Step by Step Solution
- Step 1: Write the proportion equation
189,420.07 : 261,398.49 = 104,537.14 : x - Step 2: Convert to fraction form
189,420.07/261,398.49 = 104,537.14/x - Step 3: Cross multiply
189,420.07x = 261,398.49 × 104,537.14 - Step 4: Simplify right side
189,420.07x = 27,325,850,544.92 - Step 5: Solve for x
x = 27,325,850,544.92/189,420.07 - Step 6: Final answer
x = 144,260.59
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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.