Finding the Fourth Proportional to 114,299.79, 157,735.94 and 68,406.68
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Solution
The fourth proportional to 114,299.79, 157,735.94 and 68,406.68 is: 94,402.54
Step by Step Solution
- Step 1: Write the proportion equation
114,299.79 : 157,735.94 = 68,406.68 : x - Step 2: Convert to fraction form
114,299.79/157,735.94 = 68,406.68/x - Step 3: Cross multiply
114,299.79x = 157,735.94 × 68,406.68 - Step 4: Simplify right side
114,299.79x = 10,790,190,841.37 - Step 5: Solve for x
x = 10,790,190,841.37/114,299.79 - Step 6: Final answer
x = 94,402.54
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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.