Finding the Fourth Proportional to 280,193.49, 419,919.93 and 102,529.44
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Solution
The fourth proportional to 280,193.49, 419,919.93 and 102,529.44 is: 153,658.66
Step by Step Solution
- Step 1: Write the proportion equation
280,193.49 : 419,919.93 = 102,529.44 : x - Step 2: Convert to fraction form
280,193.49/419,919.93 = 102,529.44/x - Step 3: Cross multiply
280,193.49x = 419,919.93 × 102,529.44 - Step 4: Simplify right side
280,193.49x = 43,054,155,267.74 - Step 5: Solve for x
x = 43,054,155,267.74/280,193.49 - Step 6: Final answer
x = 153,658.66
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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.