Finding the Fourth Proportional to 157,570.45, 217,441.84 and 93,907.09
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Solution
The fourth proportional to 157,570.45, 217,441.84 and 93,907.09 is: 129,588.58
Step by Step Solution
- Step 1: Write the proportion equation
157,570.45 : 217,441.84 = 93,907.09 : x - Step 2: Convert to fraction form
157,570.45/217,441.84 = 93,907.09/x - Step 3: Cross multiply
157,570.45x = 217,441.84 × 93,907.09 - Step 4: Simplify right side
157,570.45x = 20,419,330,438.65 - Step 5: Solve for x
x = 20,419,330,438.65/157,570.45 - Step 6: Final answer
x = 129,588.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.