Finding the Fourth Proportional to 331,257.05, 495,904.68 and 204,489.68
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Solution
The fourth proportional to 331,257.05, 495,904.68 and 204,489.68 is: 306,129.01
Step by Step Solution
- Step 1: Write the proportion equation
331,257.05 : 495,904.68 = 204,489.68 : x - Step 2: Convert to fraction form
331,257.05/495,904.68 = 204,489.68/x - Step 3: Cross multiply
331,257.05x = 495,904.68 × 204,489.68 - Step 4: Simplify right side
331,257.05x = 101,407,390,563.46 - Step 5: Solve for x
x = 101,407,390,563.46/331,257.05 - Step 6: Final answer
x = 306,129.01
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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.