Finding the Fourth Proportional to 713,197.05, 1,069,793.82 and 180,716.55
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Solution
The fourth proportional to 713,197.05, 1,069,793.82 and 180,716.55 is: 271,074.38
Step by Step Solution
- Step 1: Write the proportion equation
713,197.05 : 1,069,793.82 = 180,716.55 : x - Step 2: Convert to fraction form
713,197.05/1,069,793.82 = 180,716.55/x - Step 3: Cross multiply
713,197.05x = 1,069,793.82 × 180,716.55 - Step 4: Simplify right side
713,197.05x = 193,329,448,361.72 - Step 5: Solve for x
x = 193,329,448,361.72/713,197.05 - Step 6: Final answer
x = 271,074.38
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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.