Finding the Fourth Proportional to 482,938.20, 724,115.70 and 216,649.08
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Solution
The fourth proportional to 482,938.20, 724,115.70 and 216,649.08 is: 324,842.81
Step by Step Solution
- Step 1: Write the proportion equation
482,938.20 : 724,115.70 = 216,649.08 : x - Step 2: Convert to fraction form
482,938.20/724,115.70 = 216,649.08/x - Step 3: Cross multiply
482,938.20x = 724,115.70 × 216,649.08 - Step 4: Simplify right side
482,938.20x = 156,879,000,218.56 - Step 5: Solve for x
x = 156,879,000,218.56/482,938.20 - Step 6: Final answer
x = 324,842.81
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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.