Finding the Fourth Proportional to 171,531.60, 256,744.44 and 88,311.12
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Solution
The fourth proportional to 171,531.60, 256,744.44 and 88,311.12 is: 132,181.99
Step by Step Solution
- Step 1: Write the proportion equation
171,531.60 : 256,744.44 = 88,311.12 : x - Step 2: Convert to fraction form
171,531.60/256,744.44 = 88,311.12/x - Step 3: Cross multiply
171,531.60x = 256,744.44 × 88,311.12 - Step 4: Simplify right side
171,531.60x = 22,673,389,050.17 - Step 5: Solve for x
x = 22,673,389,050.17/171,531.60 - Step 6: Final answer
x = 132,181.99
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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.