Finding the Fourth Proportional to 762,395.13, 1,143,633.74 and 201,414.33
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Solution
The fourth proportional to 762,395.13, 1,143,633.74 and 201,414.33 is: 302,132.34
Step by Step Solution
- Step 1: Write the proportion equation
762,395.13 : 1,143,633.74 = 201,414.33 : x - Step 2: Convert to fraction form
762,395.13/1,143,633.74 = 201,414.33/x - Step 3: Cross multiply
762,395.13x = 1,143,633.74 × 201,414.33 - Step 4: Simplify right side
762,395.13x = 230,344,222,500.42 - Step 5: Solve for x
x = 230,344,222,500.42/762,395.13 - Step 6: Final answer
x = 302,132.34
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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.