Finding the Fourth Proportional to 351,534.60, 485,107.38 and 198,579.96
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Solution
The fourth proportional to 351,534.60, 485,107.38 and 198,579.96 is: 274,034.49
Step by Step Solution
- Step 1: Write the proportion equation
351,534.60 : 485,107.38 = 198,579.96 : x - Step 2: Convert to fraction form
351,534.60/485,107.38 = 198,579.96/x - Step 3: Cross multiply
351,534.60x = 485,107.38 × 198,579.96 - Step 4: Simplify right side
351,534.60x = 96,332,604,116.10 - Step 5: Solve for x
x = 96,332,604,116.10/351,534.60 - Step 6: Final answer
x = 274,034.49
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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.