Finding the Fourth Proportional to 331,325.40, 495,821.70 and 303,331.80
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Solution
The fourth proportional to 331,325.40, 495,821.70 and 303,331.80 is: 453,929.85
Step by Step Solution
- Step 1: Write the proportion equation
331,325.40 : 495,821.70 = 303,331.80 : x - Step 2: Convert to fraction form
331,325.40/495,821.70 = 303,331.80/x - Step 3: Cross multiply
331,325.40x = 495,821.70 × 303,331.80 - Step 4: Simplify right side
331,325.40x = 150,398,488,740.06 - Step 5: Solve for x
x = 150,398,488,740.06/331,325.40 - Step 6: Final answer
x = 453,929.85
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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.