Finding the Fourth Proportional to 190,620.16, 286,037.76 and 189,114.88
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Solution
The fourth proportional to 190,620.16, 286,037.76 and 189,114.88 is: 283,778.99
Step by Step Solution
- Step 1: Write the proportion equation
190,620.16 : 286,037.76 = 189,114.88 : x - Step 2: Convert to fraction form
190,620.16/286,037.76 = 189,114.88/x - Step 3: Cross multiply
190,620.16x = 286,037.76 × 189,114.88 - Step 4: Simplify right side
190,620.16x = 54,093,996,657.87 - Step 5: Solve for x
x = 54,093,996,657.87/190,620.16 - Step 6: Final answer
x = 283,778.99
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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.