Finding the Fourth Proportional to 178,467.80, 267,701.70 and 131,811.80
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Solution
The fourth proportional to 178,467.80, 267,701.70 and 131,811.80 is: 197,717.70
Step by Step Solution
- Step 1: Write the proportion equation
178,467.80 : 267,701.70 = 131,811.80 : x - Step 2: Convert to fraction form
178,467.80/267,701.70 = 131,811.80/x - Step 3: Cross multiply
178,467.80x = 267,701.70 × 131,811.80 - Step 4: Simplify right side
178,467.80x = 35,286,242,940.06 - Step 5: Solve for x
x = 35,286,242,940.06/178,467.80 - Step 6: Final answer
x = 197,717.70
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1.5x scale
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.