Finding the Fourth Proportional to 189,133.92, 261,004.84 and 104,252.84
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Solution
The fourth proportional to 189,133.92, 261,004.84 and 104,252.84 is: 143,868.94
Step by Step Solution
- Step 1: Write the proportion equation
189,133.92 : 261,004.84 = 104,252.84 : x - Step 2: Convert to fraction form
189,133.92/261,004.84 = 104,252.84/x - Step 3: Cross multiply
189,133.92x = 261,004.84 × 104,252.84 - Step 4: Simplify right side
189,133.92x = 27,210,495,823.75 - Step 5: Solve for x
x = 27,210,495,823.75/189,133.92 - Step 6: Final answer
x = 143,868.94
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1.5x scale
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.