Finding the Fourth Proportional to 274,847.80, 412,271.70 and 134,879.80
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Solution
The fourth proportional to 274,847.80, 412,271.70 and 134,879.80 is: 202,319.70
Step by Step Solution
- Step 1: Write the proportion equation
274,847.80 : 412,271.70 = 134,879.80 : x - Step 2: Convert to fraction form
274,847.80/412,271.70 = 134,879.80/x - Step 3: Cross multiply
274,847.80x = 412,271.70 × 134,879.80 - Step 4: Simplify right side
274,847.80x = 55,607,124,441.66 - Step 5: Solve for x
x = 55,607,124,441.66/274,847.80 - Step 6: Final answer
x = 202,319.70
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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.