Finding the Fourth Proportional to 135,707.87, 203,534.17 and 51,438.98
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Solution
The fourth proportional to 135,707.87, 203,534.17 and 51,438.98 is: 77,148.00
Step by Step Solution
- Step 1: Write the proportion equation
135,707.87 : 203,534.17 = 51,438.98 : x - Step 2: Convert to fraction form
135,707.87/203,534.17 = 51,438.98/x - Step 3: Cross multiply
135,707.87x = 203,534.17 × 51,438.98 - Step 4: Simplify right side
135,707.87x = 10,469,590,480.18 - Step 5: Solve for x
x = 10,469,590,480.18/135,707.87 - Step 6: Final answer
x = 77,148.00
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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.