Finding the Fourth Proportional to 114,555.28, 158,128.26 and 69,234.96
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Solution
The fourth proportional to 114,555.28, 158,128.26 and 69,234.96 is: 95,569.61
Step by Step Solution
- Step 1: Write the proportion equation
114,555.28 : 158,128.26 = 69,234.96 : x - Step 2: Convert to fraction form
114,555.28/158,128.26 = 69,234.96/x - Step 3: Cross multiply
114,555.28x = 158,128.26 × 69,234.96 - Step 4: Simplify right side
114,555.28x = 10,948,003,755.97 - Step 5: Solve for x
x = 10,948,003,755.97/114,555.28 - Step 6: Final answer
x = 95,569.61
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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.