Finding the Fourth Proportional to 180,618.26, 271,102.35 and 87,189.62
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Solution
The fourth proportional to 180,618.26, 271,102.35 and 87,189.62 is: 130,868.89
Step by Step Solution
- Step 1: Write the proportion equation
180,618.26 : 271,102.35 = 87,189.62 : x - Step 2: Convert to fraction form
180,618.26/271,102.35 = 87,189.62/x - Step 3: Cross multiply
180,618.26x = 271,102.35 × 87,189.62 - Step 4: Simplify right side
180,618.26x = 23,637,310,877.61 - Step 5: Solve for x
x = 23,637,310,877.61/180,618.26 - Step 6: Final answer
x = 130,868.89
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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.