Finding the Fourth Proportional to 762,447.17, 1,143,651.29 and 201,486.53
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Solution
The fourth proportional to 762,447.17, 1,143,651.29 and 201,486.53 is: 302,224.64
Step by Step Solution
- Step 1: Write the proportion equation
762,447.17 : 1,143,651.29 = 201,486.53 : x - Step 2: Convert to fraction form
762,447.17/1,143,651.29 = 201,486.53/x - Step 3: Cross multiply
762,447.17x = 1,143,651.29 × 201,486.53 - Step 4: Simplify right side
762,447.17x = 230,430,323,226.44 - Step 5: Solve for x
x = 230,430,323,226.44/762,447.17 - Step 6: Final answer
x = 302,224.64
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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.