Finding the Fourth Proportional to 331,823.11, 457,954.76 and 188,604.68
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Solution
The fourth proportional to 331,823.11, 457,954.76 and 188,604.68 is: 260,296.55
Step by Step Solution
- Step 1: Write the proportion equation
331,823.11 : 457,954.76 = 188,604.68 : x - Step 2: Convert to fraction form
331,823.11/457,954.76 = 188,604.68/x - Step 3: Cross multiply
331,823.11x = 457,954.76 × 188,604.68 - Step 4: Simplify right side
331,823.11x = 86,372,409,146.01 - Step 5: Solve for x
x = 86,372,409,146.01/331,823.11 - Step 6: Final answer
x = 260,296.55
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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.