Finding the Fourth Proportional to 260,361.82, 390,764.63 and 102,700.99
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Solution
The fourth proportional to 260,361.82, 390,764.63 and 102,700.99 is: 154,139.01
Step by Step Solution
- Step 1: Write the proportion equation
260,361.82 : 390,764.63 = 102,700.99 : x - Step 2: Convert to fraction form
260,361.82/390,764.63 = 102,700.99/x - Step 3: Cross multiply
260,361.82x = 390,764.63 × 102,700.99 - Step 4: Simplify right side
260,361.82x = 40,131,914,357.98 - Step 5: Solve for x
x = 40,131,914,357.98/260,361.82 - Step 6: Final answer
x = 154,139.01
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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.