Finding the Fourth Proportional to 180,987.70, 271,481.55 and 167,865.70
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Solution
The fourth proportional to 180,987.70, 271,481.55 and 167,865.70 is: 251,798.55
Step by Step Solution
- Step 1: Write the proportion equation
180,987.70 : 271,481.55 = 167,865.70 : x - Step 2: Convert to fraction form
180,987.70/271,481.55 = 167,865.70/x - Step 3: Cross multiply
180,987.70x = 271,481.55 × 167,865.70 - Step 4: Simplify right side
180,987.70x = 45,572,440,427.84 - Step 5: Solve for x
x = 45,572,440,427.84/180,987.70 - Step 6: Final answer
x = 251,798.55
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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.