Finding the Fourth Proportional to 343,519.75, 515,314.97 and 118,879.79
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Solution
The fourth proportional to 343,519.75, 515,314.97 and 118,879.79 is: 178,331.92
Step by Step Solution
- Step 1: Write the proportion equation
343,519.75 : 515,314.97 = 118,879.79 : x - Step 2: Convert to fraction form
343,519.75/515,314.97 = 118,879.79/x - Step 3: Cross multiply
343,519.75x = 515,314.97 × 118,879.79 - Step 4: Simplify right side
343,519.75x = 61,260,534,823.06 - Step 5: Solve for x
x = 61,260,534,823.06/343,519.75 - Step 6: Final answer
x = 178,331.92
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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.