Finding the Fourth Proportional to 336,918.48, 505,375.65 and 84,197.67
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Solution
The fourth proportional to 336,918.48, 505,375.65 and 84,197.67 is: 126,295.99
Step by Step Solution
- Step 1: Write the proportion equation
336,918.48 : 505,375.65 = 84,197.67 : x - Step 2: Convert to fraction form
336,918.48/505,375.65 = 84,197.67/x - Step 3: Cross multiply
336,918.48x = 505,375.65 × 84,197.67 - Step 4: Simplify right side
336,918.48x = 42,551,452,204.74 - Step 5: Solve for x
x = 42,551,452,204.74/336,918.48 - Step 6: Final answer
x = 126,295.99
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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.