Finding the Fourth Proportional to 351,991.58, 485,745.44 and 199,059.79
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Solution
The fourth proportional to 351,991.58, 485,745.44 and 199,059.79 is: 274,700.85
Step by Step Solution
- Step 1: Write the proportion equation
351,991.58 : 485,745.44 = 199,059.79 : x - Step 2: Convert to fraction form
351,991.58/485,745.44 = 199,059.79/x - Step 3: Cross multiply
351,991.58x = 485,745.44 × 199,059.79 - Step 4: Simplify right side
351,991.58x = 96,692,385,783.76 - Step 5: Solve for x
x = 96,692,385,783.76/351,991.58 - Step 6: Final answer
x = 274,700.85
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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.