Finding the Fourth Proportional to 94,192.80, 141,201.36 and 31,819.68
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Solution
The fourth proportional to 94,192.80, 141,201.36 and 31,819.68 is: 47,699.85
Step by Step Solution
- Step 1: Write the proportion equation
94,192.80 : 141,201.36 = 31,819.68 : x - Step 2: Convert to fraction form
94,192.80/141,201.36 = 31,819.68/x - Step 3: Cross multiply
94,192.80x = 141,201.36 × 31,819.68 - Step 4: Simplify right side
94,192.80x = 4,492,982,090.76 - Step 5: Solve for x
x = 4,492,982,090.76/94,192.80 - Step 6: Final answer
x = 47,699.85
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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.