Finding the Fourth Proportional to 500,293.24, 690,404.94 and 273,938.68
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Solution
The fourth proportional to 500,293.24, 690,404.94 and 273,938.68 is: 378,035.53
Step by Step Solution
- Step 1: Write the proportion equation
500,293.24 : 690,404.94 = 273,938.68 : x - Step 2: Convert to fraction form
500,293.24/690,404.94 = 273,938.68/x - Step 3: Cross multiply
500,293.24x = 690,404.94 × 273,938.68 - Step 4: Simplify right side
500,293.24x = 189,128,617,929.08 - Step 5: Solve for x
x = 189,128,617,929.08/500,293.24 - Step 6: Final answer
x = 378,035.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.