Finding the Fourth Proportional to 170,649.62, 255,775.14 and 128,393.96
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Solution
The fourth proportional to 170,649.62, 255,775.14 and 128,393.96 is: 192,441.00
Step by Step Solution
- Step 1: Write the proportion equation
170,649.62 : 255,775.14 = 128,393.96 : x - Step 2: Convert to fraction form
170,649.62/255,775.14 = 128,393.96/x - Step 3: Cross multiply
170,649.62x = 255,775.14 × 128,393.96 - Step 4: Simplify right side
170,649.62x = 32,839,983,094.15 - Step 5: Solve for x
x = 32,839,983,094.15/170,649.62 - Step 6: Final answer
x = 192,441.00
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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.