Finding the Fourth Proportional to 289,263.08, 433,732.18 and 198,181.28
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Solution
The fourth proportional to 289,263.08, 433,732.18 and 198,181.28 is: 297,160.63
Step by Step Solution
- Step 1: Write the proportion equation
289,263.08 : 433,732.18 = 198,181.28 : x - Step 2: Convert to fraction form
289,263.08/433,732.18 = 198,181.28/x - Step 3: Cross multiply
289,263.08x = 433,732.18 × 198,181.28 - Step 4: Simplify right side
289,263.08x = 85,957,598,609.59 - Step 5: Solve for x
x = 85,957,598,609.59/289,263.08 - Step 6: Final answer
x = 297,160.63
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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.