Finding the Fourth Proportional to 171,664.80, 257,497.20 and 108,679.20
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Solution
The fourth proportional to 171,664.80, 257,497.20 and 108,679.20 is: 163,018.80
Step by Step Solution
- Step 1: Write the proportion equation
171,664.80 : 257,497.20 = 108,679.20 : x - Step 2: Convert to fraction form
171,664.80/257,497.20 = 108,679.20/x - Step 3: Cross multiply
171,664.80x = 257,497.20 × 108,679.20 - Step 4: Simplify right side
171,664.80x = 27,984,589,698.24 - Step 5: Solve for x
x = 27,984,589,698.24/171,664.80 - Step 6: Final answer
x = 163,018.80
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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.