Finding the Fourth Proportional to 331,258.05, 495,906.18 and 204,490.68
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Solution
The fourth proportional to 331,258.05, 495,906.18 and 204,490.68 is: 306,130.50
Step by Step Solution
- Step 1: Write the proportion equation
331,258.05 : 495,906.18 = 204,490.68 : x - Step 2: Convert to fraction form
331,258.05/495,906.18 = 204,490.68/x - Step 3: Cross multiply
331,258.05x = 495,906.18 × 204,490.68 - Step 4: Simplify right side
331,258.05x = 101,408,191,964.40 - Step 5: Solve for x
x = 101,408,191,964.40/331,258.05 - Step 6: Final answer
x = 306,130.50
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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.