Finding the Fourth Proportional to 331,319.09, 496,518.84 and 150,963.75
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Solution
The fourth proportional to 331,319.09, 496,518.84 and 150,963.75 is: 226,236.12
Step by Step Solution
- Step 1: Write the proportion equation
331,319.09 : 496,518.84 = 150,963.75 : x - Step 2: Convert to fraction form
331,319.09/496,518.84 = 150,963.75/x - Step 3: Cross multiply
331,319.09x = 496,518.84 × 150,963.75 - Step 4: Simplify right side
331,319.09x = 74,956,343,603.99 - Step 5: Solve for x
x = 74,956,343,603.99/331,319.09 - Step 6: Final answer
x = 226,236.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.