Finding the Fourth Proportional to 482,668.60, 724,236.63 and 198,569.10
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Solution
The fourth proportional to 482,668.60, 724,236.63 and 198,569.10 is: 297,949.81
Step by Step Solution
- Step 1: Write the proportion equation
482,668.60 : 724,236.63 = 198,569.10 : x - Step 2: Convert to fraction form
482,668.60/724,236.63 = 198,569.10/x - Step 3: Cross multiply
482,668.60x = 724,236.63 × 198,569.10 - Step 4: Simplify right side
482,668.60x = 143,811,015,806.13 - Step 5: Solve for x
x = 143,811,015,806.13/482,668.60 - Step 6: Final answer
x = 297,949.81
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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.