Finding the Fourth Proportional to 495,944.83, 684,411.36 and 278,201.77
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Solution
The fourth proportional to 495,944.83, 684,411.36 and 278,201.77 is: 383,922.65
Step by Step Solution
- Step 1: Write the proportion equation
495,944.83 : 684,411.36 = 278,201.77 : x - Step 2: Convert to fraction form
495,944.83/684,411.36 = 278,201.77/x - Step 3: Cross multiply
495,944.83x = 684,411.36 × 278,201.77 - Step 4: Simplify right side
495,944.83x = 190,404,450,049.08 - Step 5: Solve for x
x = 190,404,450,049.08/495,944.83 - Step 6: Final answer
x = 383,922.65
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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.