Finding the Fourth Proportional to 436,795.97, 655,197.60 and 121,277.48
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Solution
The fourth proportional to 436,795.97, 655,197.60 and 121,277.48 is: 181,917.23
Step by Step Solution
- Step 1: Write the proportion equation
436,795.97 : 655,197.60 = 121,277.48 : x - Step 2: Convert to fraction form
436,795.97/655,197.60 = 121,277.48/x - Step 3: Cross multiply
436,795.97x = 655,197.60 × 121,277.48 - Step 4: Simplify right side
436,795.97x = 79,460,713,830.05 - Step 5: Solve for x
x = 79,460,713,830.05/436,795.97 - Step 6: Final answer
x = 181,917.23
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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.