Finding the Fourth Proportional to 127,533.68, 191,318.24 and 56,450.70
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Solution
The fourth proportional to 127,533.68, 191,318.24 and 56,450.70 is: 84,683.89
Step by Step Solution
- Step 1: Write the proportion equation
127,533.68 : 191,318.24 = 56,450.70 : x - Step 2: Convert to fraction form
127,533.68/191,318.24 = 56,450.70/x - Step 3: Cross multiply
127,533.68x = 191,318.24 × 56,450.70 - Step 4: Simplify right side
127,533.68x = 10,800,048,570.77 - Step 5: Solve for x
x = 10,800,048,570.77/127,533.68 - Step 6: Final answer
x = 84,683.89
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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.