Finding the Fourth Proportional to 180,215.68, 270,283.43 and 52,103.99
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Solution
The fourth proportional to 180,215.68, 270,283.43 and 52,103.99 is: 78,144.40
Step by Step Solution
- Step 1: Write the proportion equation
180,215.68 : 270,283.43 = 52,103.99 : x - Step 2: Convert to fraction form
180,215.68/270,283.43 = 52,103.99/x - Step 3: Cross multiply
180,215.68x = 270,283.43 × 52,103.99 - Step 4: Simplify right side
180,215.68x = 14,082,845,939.85 - Step 5: Solve for x
x = 14,082,845,939.85/180,215.68 - Step 6: Final answer
x = 78,144.40
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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.