Finding the Fourth Proportional to 180,941.88, 271,415.13 and 47,820.99
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Solution
The fourth proportional to 180,941.88, 271,415.13 and 47,820.99 is: 71,732.09
Step by Step Solution
- Step 1: Write the proportion equation
180,941.88 : 271,415.13 = 47,820.99 : x - Step 2: Convert to fraction form
180,941.88/271,415.13 = 47,820.99/x - Step 3: Cross multiply
180,941.88x = 271,415.13 × 47,820.99 - Step 4: Simplify right side
180,941.88x = 12,979,338,860.50 - Step 5: Solve for x
x = 12,979,338,860.50/180,941.88 - Step 6: Final answer
x = 71,732.09
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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.