Finding the Fourth Proportional to 189,257.22, 261,174.84 and 104,374.32
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Solution
The fourth proportional to 189,257.22, 261,174.84 and 104,374.32 is: 144,036.49
Step by Step Solution
- Step 1: Write the proportion equation
189,257.22 : 261,174.84 = 104,374.32 : x - Step 2: Convert to fraction form
189,257.22/261,174.84 = 104,374.32/x - Step 3: Cross multiply
189,257.22x = 261,174.84 × 104,374.32 - Step 4: Simplify right side
189,257.22x = 27,259,946,326.11 - Step 5: Solve for x
x = 27,259,946,326.11/189,257.22 - Step 6: Final answer
x = 144,036.49
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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.