Finding the Fourth Proportional to 276,755.13, 415,132.70 and 198,023.13
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Solution
The fourth proportional to 276,755.13, 415,132.70 and 198,023.13 is: 297,034.70
Step by Step Solution
- Step 1: Write the proportion equation
276,755.13 : 415,132.70 = 198,023.13 : x - Step 2: Convert to fraction form
276,755.13/415,132.70 = 198,023.13/x - Step 3: Cross multiply
276,755.13x = 415,132.70 × 198,023.13 - Step 4: Simplify right side
276,755.13x = 82,205,875,629.24 - Step 5: Solve for x
x = 82,205,875,629.24/276,755.13 - Step 6: Final answer
x = 297,034.70
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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.