Finding the Fourth Proportional to 203,477.70, 305,216.55 and 170,235.30
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Solution
The fourth proportional to 203,477.70, 305,216.55 and 170,235.30 is: 255,352.95
Step by Step Solution
- Step 1: Write the proportion equation
203,477.70 : 305,216.55 = 170,235.30 : x - Step 2: Convert to fraction form
203,477.70/305,216.55 = 170,235.30/x - Step 3: Cross multiply
203,477.70x = 305,216.55 × 170,235.30 - Step 4: Simplify right side
203,477.70x = 51,958,630,954.22 - Step 5: Solve for x
x = 51,958,630,954.22/203,477.70 - Step 6: Final answer
x = 255,352.95
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1.5x scale
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.