Finding the Fourth Proportional to 330,840.99, 496,310.70 and 153,365.94
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Solution
The fourth proportional to 330,840.99, 496,310.70 and 153,365.94 is: 230,071.72
Step by Step Solution
- Step 1: Write the proportion equation
330,840.99 : 496,310.70 = 153,365.94 : x - Step 2: Convert to fraction form
330,840.99/496,310.70 = 153,365.94/x - Step 3: Cross multiply
330,840.99x = 496,310.70 × 153,365.94 - Step 4: Simplify right side
330,840.99x = 76,117,157,037.56 - Step 5: Solve for x
x = 76,117,157,037.56/330,840.99 - Step 6: Final answer
x = 230,071.72
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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.