Finding the Fourth Proportional to 134,908.75, 202,372.94 and 51,802.75
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Solution
The fourth proportional to 134,908.75, 202,372.94 and 51,802.75 is: 77,707.89
Step by Step Solution
- Step 1: Write the proportion equation
134,908.75 : 202,372.94 = 51,802.75 : x - Step 2: Convert to fraction form
134,908.75/202,372.94 = 51,802.75/x - Step 3: Cross multiply
134,908.75x = 202,372.94 × 51,802.75 - Step 4: Simplify right side
134,908.75x = 10,483,474,817.59 - Step 5: Solve for x
x = 10,483,474,817.59/134,908.75 - Step 6: Final answer
x = 77,707.89
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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.