Finding the Fourth Proportional to 490,634.10, 735,951.15 and 331,201.80
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Solution
The fourth proportional to 490,634.10, 735,951.15 and 331,201.80 is: 496,802.70
Step by Step Solution
- Step 1: Write the proportion equation
490,634.10 : 735,951.15 = 331,201.80 : x - Step 2: Convert to fraction form
490,634.10/735,951.15 = 331,201.80/x - Step 3: Cross multiply
490,634.10x = 735,951.15 × 331,201.80 - Step 4: Simplify right side
490,634.10x = 243,748,345,592.07 - Step 5: Solve for x
x = 243,748,345,592.07/490,634.10 - Step 6: Final answer
x = 496,802.70
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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.