Finding the Fourth Proportional to 330,544.70, 495,879.26 and 235,539.20
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Solution
The fourth proportional to 330,544.70, 495,879.26 and 235,539.20 is: 353,353.12
Step by Step Solution
- Step 1: Write the proportion equation
330,544.70 : 495,879.26 = 235,539.20 : x - Step 2: Convert to fraction form
330,544.70/495,879.26 = 235,539.20/x - Step 3: Cross multiply
330,544.70x = 495,879.26 × 235,539.20 - Step 4: Simplify right side
330,544.70x = 116,799,000,539.90 - Step 5: Solve for x
x = 116,799,000,539.90/330,544.70 - Step 6: Final answer
x = 353,353.12
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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.