Finding the Fourth Proportional to 149,278.87, 206,267.15 and 119,311.50
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Solution
The fourth proportional to 149,278.87, 206,267.15 and 119,311.50 is: 164,859.52
Step by Step Solution
- Step 1: Write the proportion equation
149,278.87 : 206,267.15 = 119,311.50 : x - Step 2: Convert to fraction form
149,278.87/206,267.15 = 119,311.50/x - Step 3: Cross multiply
149,278.87x = 206,267.15 × 119,311.50 - Step 4: Simplify right side
149,278.87x = 24,610,043,067.23 - Step 5: Solve for x
x = 24,610,043,067.23/149,278.87 - Step 6: Final answer
x = 164,859.52
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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.