Finding the Fourth Proportional to 447,107.07, 616,690.49 and 274,798.81
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Solution
The fourth proportional to 447,107.07, 616,690.49 and 274,798.81 is: 379,027.35
Step by Step Solution
- Step 1: Write the proportion equation
447,107.07 : 616,690.49 = 274,798.81 : x - Step 2: Convert to fraction form
447,107.07/616,690.49 = 274,798.81/x - Step 3: Cross multiply
447,107.07x = 616,690.49 × 274,798.81 - Step 4: Simplify right side
447,107.07x = 169,465,809,874.60 - Step 5: Solve for x
x = 169,465,809,874.60/447,107.07 - Step 6: Final answer
x = 379,027.35
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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.