Finding the Fourth Proportional to 80,467.74, 120,703.14 and 27,878.94
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Solution
The fourth proportional to 80,467.74, 120,703.14 and 27,878.94 is: 41,818.94
Step by Step Solution
- Step 1: Write the proportion equation
80,467.74 : 120,703.14 = 27,878.94 : x - Step 2: Convert to fraction form
80,467.74/120,703.14 = 27,878.94/x - Step 3: Cross multiply
80,467.74x = 120,703.14 × 27,878.94 - Step 4: Simplify right side
80,467.74x = 3,365,075,597.87 - Step 5: Solve for x
x = 3,365,075,597.87/80,467.74 - Step 6: Final answer
x = 41,818.94
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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.