Finding the Fourth Proportional to 330,543.20, 495,877.01 and 235,537.70
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Solution
The fourth proportional to 330,543.20, 495,877.01 and 235,537.70 is: 353,350.87
Step by Step Solution
- Step 1: Write the proportion equation
330,543.20 : 495,877.01 = 235,537.70 : x - Step 2: Convert to fraction form
330,543.20/495,877.01 = 235,537.70/x - Step 3: Cross multiply
330,543.20x = 495,877.01 × 235,537.70 - Step 4: Simplify right side
330,543.20x = 116,797,726,761.20 - Step 5: Solve for x
x = 116,797,726,761.20/330,543.20 - Step 6: Final answer
x = 353,350.87
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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.