Finding the Fourth Proportional to 331,051.99, 496,627.40 and 153,576.94
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Solution
The fourth proportional to 331,051.99, 496,627.40 and 153,576.94 is: 230,388.33
Step by Step Solution
- Step 1: Write the proportion equation
331,051.99 : 496,627.40 = 153,576.94 : x - Step 2: Convert to fraction form
331,051.99/496,627.40 = 153,576.94/x - Step 3: Cross multiply
331,051.99x = 496,627.40 × 153,576.94 - Step 4: Simplify right side
331,051.99x = 76,270,516,412.16 - Step 5: Solve for x
x = 76,270,516,412.16/331,051.99 - Step 6: Final answer
x = 230,388.33
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1.5x scale
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.