Finding the Fourth Proportional to 157,425.21, 236,134.58 and 52,245.09
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Solution
The fourth proportional to 157,425.21, 236,134.58 and 52,245.09 is: 78,366.56
Step by Step Solution
- Step 1: Write the proportion equation
157,425.21 : 236,134.58 = 52,245.09 : x - Step 2: Convert to fraction form
157,425.21/236,134.58 = 52,245.09/x - Step 3: Cross multiply
157,425.21x = 236,134.58 × 52,245.09 - Step 4: Simplify right side
157,425.21x = 12,336,872,122.99 - Step 5: Solve for x
x = 12,336,872,122.99/157,425.21 - Step 6: Final answer
x = 78,366.56
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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.