Finding the Fourth Proportional to 189,532.19, 284,203.21 and 63,128.00
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Solution
The fourth proportional to 189,532.19, 284,203.21 and 63,128.00 is: 94,660.33
Step by Step Solution
- Step 1: Write the proportion equation
189,532.19 : 284,203.21 = 63,128.00 : x - Step 2: Convert to fraction form
189,532.19/284,203.21 = 63,128.00/x - Step 3: Cross multiply
189,532.19x = 284,203.21 × 63,128.00 - Step 4: Simplify right side
189,532.19x = 17,941,180,793.57 - Step 5: Solve for x
x = 17,941,180,793.57/189,532.19 - Step 6: Final answer
x = 94,660.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.