Finding the Fourth Proportional to 84,817.81, 127,251.34 and 34,190.71
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Solution
The fourth proportional to 84,817.81, 127,251.34 and 34,190.71 is: 51,295.99
Step by Step Solution
- Step 1: Write the proportion equation
84,817.81 : 127,251.34 = 34,190.71 : x - Step 2: Convert to fraction form
84,817.81/127,251.34 = 34,190.71/x - Step 3: Cross multiply
84,817.81x = 127,251.34 × 34,190.71 - Step 4: Simplify right side
84,817.81x = 4,350,813,737.54 - Step 5: Solve for x
x = 4,350,813,737.54/84,817.81 - Step 6: Final answer
x = 51,295.99
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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.