Finding the Fourth Proportional to 178,186.76, 267,409.74 and 143,544.84
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Solution
The fourth proportional to 178,186.76, 267,409.74 and 143,544.84 is: 215,421.66
Step by Step Solution
- Step 1: Write the proportion equation
178,186.76 : 267,409.74 = 143,544.84 : x - Step 2: Convert to fraction form
178,186.76/267,409.74 = 143,544.84/x - Step 3: Cross multiply
178,186.76x = 267,409.74 × 143,544.84 - Step 4: Simplify right side
178,186.76x = 38,385,288,342.74 - Step 5: Solve for x
x = 38,385,288,342.74/178,186.76 - Step 6: Final answer
x = 215,421.66
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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.