Finding the Fourth Proportional to 171,169.05, 256,539.74 and 118,156.17
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Solution
The fourth proportional to 171,169.05, 256,539.74 and 118,156.17 is: 177,086.64
Step by Step Solution
- Step 1: Write the proportion equation
171,169.05 : 256,539.74 = 118,156.17 : x - Step 2: Convert to fraction form
171,169.05/256,539.74 = 118,156.17/x - Step 3: Cross multiply
171,169.05x = 256,539.74 × 118,156.17 - Step 4: Simplify right side
171,169.05x = 30,311,752,540.42 - Step 5: Solve for x
x = 30,311,752,540.42/171,169.05 - Step 6: Final answer
x = 177,086.64
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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.