Finding the Fourth Proportional to 155,319.26, 214,198.44 and 115,133.14
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Solution
The fourth proportional to 155,319.26, 214,198.44 and 115,133.14 is: 158,778.37
Step by Step Solution
- Step 1: Write the proportion equation
155,319.26 : 214,198.44 = 115,133.14 : x - Step 2: Convert to fraction form
155,319.26/214,198.44 = 115,133.14/x - Step 3: Cross multiply
155,319.26x = 214,198.44 × 115,133.14 - Step 4: Simplify right side
155,319.26x = 24,661,338,980.30 - Step 5: Solve for x
x = 24,661,338,980.30/155,319.26 - Step 6: Final answer
x = 158,778.37
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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.