Finding the Fourth Proportional to 157,450.68, 236,175.12 and 39,121.95
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Solution
The fourth proportional to 157,450.68, 236,175.12 and 39,121.95 is: 58,682.70
Step by Step Solution
- Step 1: Write the proportion equation
157,450.68 : 236,175.12 = 39,121.95 : x - Step 2: Convert to fraction form
157,450.68/236,175.12 = 39,121.95/x - Step 3: Cross multiply
157,450.68x = 236,175.12 × 39,121.95 - Step 4: Simplify right side
157,450.68x = 9,239,631,235.88 - Step 5: Solve for x
x = 9,239,631,235.88/157,450.68 - Step 6: Final answer
x = 58,682.70
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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.