Finding the Fourth Proportional to 178,135.35, 267,203.04 and 45,015.99
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Solution
The fourth proportional to 178,135.35, 267,203.04 and 45,015.99 is: 67,523.99
Step by Step Solution
- Step 1: Write the proportion equation
178,135.35 : 267,203.04 = 45,015.99 : x - Step 2: Convert to fraction form
178,135.35/267,203.04 = 45,015.99/x - Step 3: Cross multiply
178,135.35x = 267,203.04 × 45,015.99 - Step 4: Simplify right side
178,135.35x = 12,028,409,376.61 - Step 5: Solve for x
x = 12,028,409,376.61/178,135.35 - Step 6: Final answer
x = 67,523.99
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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.