Finding the Fourth Proportional to 180,935.70, 271,403.55 and 87,623.70
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Solution
The fourth proportional to 180,935.70, 271,403.55 and 87,623.70 is: 131,435.55
Step by Step Solution
- Step 1: Write the proportion equation
180,935.70 : 271,403.55 = 87,623.70 : x - Step 2: Convert to fraction form
180,935.70/271,403.55 = 87,623.70/x - Step 3: Cross multiply
180,935.70x = 271,403.55 × 87,623.70 - Step 4: Simplify right side
180,935.70x = 23,781,383,244.14 - Step 5: Solve for x
x = 23,781,383,244.14/180,935.70 - Step 6: Final answer
x = 131,435.55
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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.