Finding the Fourth Proportional to 189,541.62, 261,568.34 and 103,502.41
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Solution
The fourth proportional to 189,541.62, 261,568.34 and 103,502.41 is: 142,833.82
Step by Step Solution
- Step 1: Write the proportion equation
189,541.62 : 261,568.34 = 103,502.41 : x - Step 2: Convert to fraction form
189,541.62/261,568.34 = 103,502.41/x - Step 3: Cross multiply
189,541.62x = 261,568.34 × 103,502.41 - Step 4: Simplify right side
189,541.62x = 27,072,952,786.40 - Step 5: Solve for x
x = 27,072,952,786.40/189,541.62 - Step 6: Final answer
x = 142,833.82
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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.