Finding the Fourth Proportional to 495,984.60, 684,410.76 and 278,201.88
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Solution
The fourth proportional to 495,984.60, 684,410.76 and 278,201.88 is: 383,891.68
Step by Step Solution
- Step 1: Write the proportion equation
495,984.60 : 684,410.76 = 278,201.88 : x - Step 2: Convert to fraction form
495,984.60/684,410.76 = 278,201.88/x - Step 3: Cross multiply
495,984.60x = 684,410.76 × 278,201.88 - Step 4: Simplify right side
495,984.60x = 190,404,360,124.23 - Step 5: Solve for x
x = 190,404,360,124.23/495,984.60 - Step 6: Final answer
x = 383,891.68
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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.