Finding the Fourth Proportional to 361,101.05, 498,319.14 and 199,956.09
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Solution
The fourth proportional to 361,101.05, 498,319.14 and 199,956.09 is: 275,939.23
Step by Step Solution
- Step 1: Write the proportion equation
361,101.05 : 498,319.14 = 199,956.09 : x - Step 2: Convert to fraction form
361,101.05/498,319.14 = 199,956.09/x - Step 3: Cross multiply
361,101.05x = 498,319.14 × 199,956.09 - Step 4: Simplify right side
361,101.05x = 99,641,946,806.56 - Step 5: Solve for x
x = 99,641,946,806.56/361,101.05 - Step 6: Final answer
x = 275,939.23
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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.