Finding the Fourth Proportional to 419,696.87, 629,483.99 and 206,407.53
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Solution
The fourth proportional to 419,696.87, 629,483.99 and 206,407.53 is: 309,581.14
Step by Step Solution
- Step 1: Write the proportion equation
419,696.87 : 629,483.99 = 206,407.53 : x - Step 2: Convert to fraction form
419,696.87/629,483.99 = 206,407.53/x - Step 3: Cross multiply
419,696.87x = 629,483.99 × 206,407.53 - Step 4: Simplify right side
419,696.87x = 129,930,234,518.41 - Step 5: Solve for x
x = 129,930,234,518.41/419,696.87 - Step 6: Final answer
x = 309,581.14
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.